# Precalculus Examples

Subtract from both sides of the equation.

Simplify the right side of the equation.

Combine the numerators over the common denominator.

Subtract from .

Multiply both sides of the equation by .

Simplify the left side.

Cancel the common factor of .

Move the leading negative in into the numerator.

Move the leading negative in into the numerator.

Factor out the greatest common factor .

Cancel the common factor.

Rewrite the expression.

Cancel the common factor of .

Factor out the greatest common factor .

Cancel the common factor.

Rewrite the expression.

Simplify.

Multiply and .

Multiply by .

Multiply by .

Divide by .

Simplify .

Cancel the common factor of .

Move the leading negative in into the numerator.

Factor out the greatest common factor .

Cancel the common factor.

Rewrite the expression.

Simplify.

Multiply and .

Move the negative in front of the fraction.

The result can be shown in multiple forms.

Exact Form:

Decimal Form: