# Precalculus Examples

Subtract from both sides of the equation.

Divide each term by and simplify.

Divide each term in by .

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by .

Choose any value for that is in the domain to plug into the equation.

Choose to substitute in for .

Simplify .

Simplify each term.

Reduce the expression by cancelling the common factors.

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Multiply by .

Multiply by .

Multiply by .

Add and .

Use the and values to form the ordered pair.

Choose to substitute in for .

Simplify .

Simplify each term.

Multiply by .

Multiply by .

Combine the numerators over the common denominator.

Subtract from .

Use the and values to form the ordered pair.

Choose to substitute in for .

Simplify .

Simplify each term.

Multiply by .

Multiply by .

Combine the numerators over the common denominator.

Subtract from .

Move the negative in front of the fraction.

Use the and values to form the ordered pair.

These are three possible solutions to the equation.