# Precalculus Examples

,

Move all terms not containing to the right side of the equation.

Subtract from both sides of the equation.

Subtract from both sides of the equation.

Multiply each term in by

Multiply each term in by .

Simplify .

Multiply by .

Multiply by .

Simplify each term.

Multiply by .

Multiply by .

Simplify the left side.

Simplify each term.

Apply the distributive property.

Multiply by .

Multiply by .

Simplify by adding terms.

Remove unnecessary parentheses.

Subtract from .

Add and .

Add to both sides of the equation.

Divide each term by and simplify.

Divide each term in by .

Simplify the left side of the by cancelling the common factors.

Reduce the expression by cancelling the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Move the negative one from the denominator of .

Simplify the expression.

Multiply by .

Rewrite as .

Move the negative in front of the fraction.

Simplify each term.

Simplify .

Multiply by .

Write as a fraction with denominator .

Multiply and .

Multiply by .

Move the negative in front of the fraction.

Multiply by .

To write as a fraction with a common denominator, multiply by .

Write each expression with a common denominator of , by multiplying each by an appropriate factor of .

Combine.

Multiply by .

Combine the numerators over the common denominator.

Simplify the numerator.

Factor out of .

Multiply by .

Multiply by .

Multiply by .

Subtract from .

Simplify the expression.

Move to the left of the expression .

Move the negative in front of the fraction.

Multiply by .

Multiply by .