# Precalculus Examples

Step 1

Substitute for and find the result for .

Step 2

Step 2.1

Remove parentheses.

Step 2.2

Remove parentheses.

Step 2.3

Add and .

Step 3

Substitute for and find the result for .

Step 4

Step 4.1

Remove parentheses.

Step 4.2

Remove parentheses.

Step 4.3

Add and .

Step 5

Substitute for and find the result for .

Step 6

Step 6.1

Remove parentheses.

Step 6.2

Remove parentheses.

Step 6.3

Add and .

Step 7

Substitute for and find the result for .

Step 8

Step 8.1

Remove parentheses.

Step 8.2

Remove parentheses.

Step 8.3

Add and .

Step 9

Substitute for and find the result for .

Step 10

Step 10.1

Remove parentheses.

Step 10.2

Remove parentheses.

Step 10.3

Add and .

Step 11

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

Step 12