# Precalculus Examples

Substitute for and find the result for .

Remove the parentheses around the expression .

Add and to get .

Substitute for and find the result for .

Remove the parentheses around the expression .

Add and to get .

Substitute for and find the result for .

Remove the parentheses around the expression .

Add and to get .

Substitute for and find the result for .

Remove the parentheses around the expression .

Add and to get .

Substitute for and find the result for .

Remove the parentheses around the expression .

Add and to get .

This is a table of possible values to use when graphing the equation.