# Precalculus Examples

Step 1

Rewrite as .

Step 2

Multiply by .

Step 3

Step 3.1

Multiply by .

Step 3.2

Raise to the power of .

Step 3.3

Raise to the power of .

Step 3.4

Use the power rule to combine exponents.

Step 3.5

Add and .

Step 3.6

Rewrite as .

Step 3.6.1

Use to rewrite as .

Step 3.6.2

Apply the power rule and multiply exponents, .

Step 3.6.3

Combine and .

Step 3.6.4

Cancel the common factor of .

Step 3.6.4.1

Cancel the common factor.

Step 3.6.4.2

Rewrite the expression.

Step 3.6.5

Evaluate the exponent.

Step 4

Step 4.1

Combine using the product rule for radicals.

Step 4.2

Multiply by .