Simplify Calculator
Combine like terms, reduce fractions, and rewrite expressions in a cleaner equivalent form.
Drag & drop or upload an image or PDF
Try an example
Simpler form, same value
Simplifying changes the form of an expression without changing its value. A good final form has combined like terms, reduced numerical fractions, and no unnecessary parentheses.
There is not always one universally preferred form. For example, factored form can reveal zeros while expanded form can make like terms easier to compare. The steps explain why each rewrite is equivalent.
How to use the simplify calculator
Enter the problem as written
Type or paste the full expression. You can also upload a clear photo or PDF and check the extracted text before solving.
Read the working, not only the answer
Each transformation is separated and explained so you can compare it with your own method.
Ask about any step
Continue in the same solution to request another method, check a restriction, or ask why a rule applies.
Distributive property
Distribution removes parentheses and often exposes terms that can be combined.
A reliable way to work through it
Remove grouping symbols
Apply distribution carefully, including a negative sign in front of parentheses.
Combine like terms
Only terms with the same variable part and exponents can be added or subtracted.
Reduce factors
Cancel common factors in rational expressions while keeping excluded values in mind.
Worked example
Simplify 3(2x - 4) + 5x
Distribute 3 to both terms.
Group the like x terms.
Add their coefficients.
The simplified expression is 11x - 12.
Common mistakes to check
Combining unlike terms
Terms such as 3x and 3x² have different variable parts and cannot be combined.
Canceling terms instead of factors
Cancellation works across multiplication, not across addition.
Losing a negative sign
A minus sign before parentheses changes the sign of every term inside.
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Questions students ask
What kinds of expressions can this calculator simplify?
It can work with polynomials, rational expressions, radicals, exponents, logarithms, and combinations of those forms.
Is simplifying the same as solving?
No. Simplifying rewrites an expression. Solving finds values that make an equation true.
Does the calculator show restrictions on variables?
Yes, when a simplification cancels a denominator factor, the original excluded values should remain part of the result.
Can it simplify expressions from a photo?
Yes. Upload a clear image or PDF and the solver can read the expression before showing the simplification.