# Precalculus Examples

Step 1

Since is on the right side of the equation, switch the sides so it is on the left side of the equation.

Step 2

Add to both sides of the equation.

Step 3

Step 3.1

Divide each term in by .

Step 3.2

Simplify the left side.

Step 3.2.1

Cancel the common factor of .

Step 3.2.1.1

Cancel the common factor.

Step 3.2.1.2

Divide by .

Step 3.3

Simplify the right side.

Step 3.3.1

Simplify each term.

Step 3.3.1.1

Multiply the numerator by the reciprocal of the denominator.

Step 3.3.1.2

Multiply .

Step 3.3.1.2.1

Multiply by .

Step 3.3.1.2.2

Multiply by .

Step 4

Step 4.1

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

Step 4.2

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

Step 4.2.1

Multiply by .

Step 4.2.2

Multiply by .

Step 4.3

Combine the numerators over the common denominator.

Step 4.4

Move to the left of .

Step 4.5

Reorder terms.