# Precalculus Examples

Subtract from both sides of the equation.

Subtract from .

To remove the radical on the left side of the equation, square both sides of the equation.

Use to rewrite as .

Simplify .

Multiply the exponents in .

Apply the power rule and multiply exponents, .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Simplify.

Raising to any positive power yields .