Inverse operations for linear
Add or subtract to move constants, multiply or divide to remove coefficients. AskSia labels each inverse operation: 'add 5 to both sides', 'divide both sides by 3'.
Inverse ops
LMS Integration
Uni & Course Analysis
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AI Solve for X
Solve for x. Any equation.
Paste, photograph, or type any equation. AskSia isolates x using inverse operations, the quadratic formula, log conversion, or whichever method is cleanest, and verifies the answer by substituting back into the original equation.
Works with word problems, equations, code, and science prompts.
∫ 3x² · sin(x) dx
SubjectsCalculusAlgebraPhysicsChemistryBiologyCSStatisticsEcon
4.9 / 5 · trusted by 2M+ students · 50M+ problems solved
asksia.ai/solver
98% · Verified
Problem
Find the area enclosed between y = x² and y = 2x in the first quadrant.
1
Find the points of intersection
Set the curves equal: x² = 2x → x(x - 2) = 0, so x = 0 and x = 2.
2
Identify which curve is on top
On (0, 2), 2x > x², so y = 2x is the upper curve.
3
Set up the area integral
A = ∫₀² (2x - x²) dx
4
Integrate term-by-term
A = [ x² - x³/3 ]₀²
Final Answer
A = 4/3 sq. units
Quick Answer
What is the AskSia Solve for X tool?
An AI tool that isolates x in any equation a high school or college math student is likely to see. AskSia picks the cleanest method (inverse operations for linear, quadratic formula for quadratics, log conversion for exponentials), shows each step with a plain-English reason, and substitutes the result back to verify. Works on linear, quadratic, rational, radical, exponential, and log equations.
98%
solution accuracy
50M+
problems solved
~1.5s
avg solve time
A+
study-ready explanations
Why AskSia Solver
Isolate x. Verify. Done.
Inverse operations, the quadratic formula, log conversion. AskSia picks the cleanest path and shows every step needed to get x by itself.
Quadratic formula for quadratics
For ax^2 + bx + c = 0 that does not factor cleanly, AskSia applies the quadratic formula, computes the discriminant, and writes both roots (real or complex).
Quadratic
Isolate the radical before squaring
For radical equations, AskSia isolates the radical, squares once, and solves the resulting algebraic equation. Each candidate is checked against the original.
Radical
Log or exponential conversion
For 2^x = 32, AskSia recognizes that 32 = 2^5 so x = 5, or takes log of both sides when the conversion is not clean. For log equations, conversion to exponential form is shown.
Log conversion
Extraneous solutions flagged
Radical and rational equations can produce candidates that fail the domain. AskSia substitutes back and flags which to reject.
Extraneous flagged
Substitution check
Final value of x is plugged into the original equation and both sides are computed. The check is shown so you can submit with confidence.
Verified
How It Works
Three taps to x by itself.
Step 01
Capture the equation
Snap, paste, or type any equation with x. Photo input from textbook, whiteboard, or online homework all work.
Input mode
Snap a Photo
Textbook, handwriting, screenshot
Paste Text
Word problem or equation
Calculator
LaTeX-ready equation editor
Step 02
Watch Sia isolate x
Inverse operations, the formula, or conversion shown step by step with a plain-English reason on each line. 98% accuracy on standard coursework.
1
Set curves equal
x² = 2x → x = 0, x = 2
2
Set up the integral
A = ∫₀² (2x - x²) dx
3
Evaluate
A = [x² - x³/3]₀² = 4/3
Step 03
See x and the check
Final value of x, substitution check, and (for radical, rational, log) the domain check. Generate practice problems on the same equation type.
Auto-generated diagram
Region between y = 2x and y = x² — area = 4/3
Available On
Solve anywhere
you study.
Every solve syncs across Web, iOS, and Android — start it at your desk, finish on your phone.
Web App
Full study studio
Split-panel interface with the worked solution on the left, the auto-generated diagram and AI tutor chat on the right.
Drag & drop image upload + LaTeX equation editor
Auto-generated diagrams render alongside steps
Side-panel AI tutor chat for hints and alt methods
Export to PDF, DOCX, Notion, or Google Docs
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Calculus
98% verified
1.4s
Step 4 of 4 · Evaluate
A = [x² - x³/3]₀² = 4/3
Mobile App
Snap & solve, anywhere
Open the camera, frame the problem, and the worked solution plus diagram appear in seconds.
One-tap snap-and-solve on iOS and Android
Pinch-to-zoom diagrams, swipe between steps
Auto-sync solves with your Web library
Offline review of saved solutions and flashcards
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98%
1.4s
Area between y=2x & y=x²
A = 4/3 sq. units ✓
Use Cases
Every equation type, x isolated.
Linear equations in one variable
Algebra 1 equations like 3x + 7 = 22. AskSia walks through subtraction and division steps.
Linear
Quadratic equations
Equations of form ax^2 + bx + c = 0. Factoring tried first, then the quadratic formula with discriminant.
Quadratic
Radical equations
Equations with x under a square or cube root. Isolate, square or cube, solve, check for extraneous candidates.
Radical
Exponential and log equations
Equations with x in the exponent or inside a log. Take log of both sides or convert to exponential form, solve, and check the domain.
Exp, log
Word problems
Translate prose into an equation in x, then solve. Distance-rate-time, age, mixture, work problems all supported.
Word problems
Check your value of x
Paste your value and AskSia substitutes it into the original equation, flagging any sign or arithmetic mistakes.
Answer check
Compare
AskSia vs. ChatGPT,
Photomath & Symbolab.
General chatbots hallucinate. Photo solvers stop at math. AskSia is built for actual coursework with verified accuracy, visual learning, and every subject.
| Feature | AskSia Solver | ChatGPT | Photo Solvers |
|---|---|---|---|
| Solution accuracy | ✓ 98% | ~70-85%, hallucinations | ~90%, math only |
| Auto-generated diagrams | ✓ Every solve | Inconsistent / broken | Graphs only, math-only |
| Step-by-step explanations | ✓ Numbered + plain English | Inconsistent depth | ✓ Math steps |
| Subject coverage | ✓ Math, Physics, Chem, Bio, CS, Econ | ✓ Wide but unverified | Math only |
| Photo input | ✓ Handwriting + diagrams + code | Photos OK, weak on handwriting | ✓ Math photos only |
| Answer verification | ✓ Self-checked before display | No verification | Math engine only |
| Tutor follow-ups | ✓ Hints, alt methods, ELI5 | ✓ General chat | Not available |
| Practice and flashcards | ✓ One-tap from any solve | Manual prompting | Not available |
| Code debugging | ✓ Python, Java, C++, SQL... | ✓ Yes | Not available |
| Free to start | ✓ Daily solves, no card | Limited model access | Steps locked behind paywall |
FAQ
Frequently asked questions.
Can AskSia solve for x in any equation?
Yes, for any equation type a high school or college math student is likely to see: linear, quadratic, polynomial, rational (x in the denominator), radical (x under a root), exponential (x in the exponent), and logarithmic (x inside a log). For transcendental equations that mix functions in ways that have no closed-form solution, AskSia returns a numeric approximation.
What if x appears more than once?
AskSia handles multiple-occurrence equations by combining like terms first, then isolating. For x on both sides of the equation, AskSia moves all x terms to one side and constants to the other before isolating. For x in nested expressions, the inside expression is treated as a single unknown until the outer layer is removed.
Does AskSia handle equations with x in the denominator?
Yes. AskSia multiplies both sides by the denominator to clear the fraction, then solves the resulting algebraic equation. Any candidate that makes a denominator zero is rejected as extraneous, with a note explaining the domain restriction.
Can AskSia solve word problems for x?
Yes. Paste or photograph the word problem. AskSia identifies what x represents, translates the relationships into an equation, solves, and interprets the answer in the original context. Distance-rate-time, mixture, age, and work problems all supported.
How accurate is AskSia?
AskSia hits 98% accuracy on standard high school and college coursework, measurably higher than ChatGPT, Photomath, and Symbolab on the same problem sets. Accuracy comes from subject-specialized models, a symbolic verification pass that catches arithmetic errors, and a self-check step that re-derives the answer before showing it to you.
Can I get practice problems and flashcards?
Yes. After any solve, ask Sia to generate similar practice problems at SAT, ACT, AP, IB, or college difficulty, or build a flashcard set on the underlying concept in one tap. Useful for exam prep and spaced repetition before a quiz, midterm, or final.
How much does AskSia cost?
AskSia has a free plan that includes daily solves across all subjects. AskSia Pro and Super include unlimited solves, advanced subjects, the full AI tutor companion, exports, and priority response speed. See pricing for details.
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Solve for x. Any equation, every method.
Join 2M+ students using AskSia to isolate x in linear, quadratic, rational, radical, exponential, and log equations with step-by-step inverse operations and a substitution check on every solve.
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