# Precalculus Examples

, ,

Rewrite the equation as .

Remove parentheses around .

Raise to the power of .

Add and .

Since , there are no solutions.

No solution

Rewrite the equation as .

No solution

Remove parentheses around .

No solution

Raise to the power of .

No solution

Multiply by .

No solution

Since , there are no solutions.

No solution

The ordered pair is a solution to the system of equations.

is not solution