# Precalculus Examples

Subtract from both sides of the inequality.

Subtract from .

Subtract from both sides of the inequality.

Subtract from .

Divide each term in by . When multiplying or dividing both sides of an inequality by a negative value, flip the direction of the inequality sign.

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by .

Divide by .

The result can be shown in multiple forms.

Inequality Form:

Interval Notation: