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Simplify Expressions Calculator

Simplify Expressions Calculator

Simplify and evaluate algebraic expressions. Enter an expression with x and a value for x to compute the result.

Math

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Expression (use x as variable)

Value of x

Formula

Enter any algebraic expression using x as the variable and the ^ symbol for exponents. The calculator evaluates the expression at the given x value.

Evaluate expression at x

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

How It Works

1Enter an expression using x (e.g. x^2 + 3*x - 5).
2Enter a value for x.
3Click Calculate to evaluate.

Examples

Evaluate x² + 3x − 5 at x = 4

1.Enter expression=x^2+3*x-5.
2.Set x=4.
3.Calculate: 16 + 12 − 5 = 23.
4.Result: 23.

Result: 23

Evaluate 2x³ − x + 7 at x = 2

1.Enter expression=2*x^3-x+7.
2.Set x=2.
3.Calculate: 16 − 2 + 7 = 21.
4.Result: 21.

Result: 21

Frequently Asked Questions

Use * for multiplication, ^ for exponents, / for division. Parentheses are supported. Variable must be lowercase x.

Addition (+), subtraction (−), multiplication (*), division (/), exponents (^), and parentheses.

No, only basic arithmetic operations and exponents are supported.

The calculator still evaluates it as a numeric expression. The value of x is ignored.

The calculator will show 'Invalid expression'. Check for missing parentheses or operators.

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CalculateMe Team

Last updated: 2026-07-13

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Simplify Expressions Calculator - Evaluate Algebraic Expressions | CalculateMe | CalculateMe