# Precalculus Examples

,

Insert the values of and into the equation to find if the ordered pair is a solution.

Cancel the common factor of and .

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Subtract from .

Since , there are no solutions.

No solution

Since the equation is not true when the values are used, the ordered pair is not a solution.

The ordered pair is not a solution to the equation.