# Precalculus Examples

Step 1

Rewrite as .

Step 2

Step 2.1

Rewrite as .

Step 2.2

Pull terms out from under the radical.

Step 3

Multiply by .

Step 4

Step 4.1

Multiply by .

Step 4.2

Raise to the power of .

Step 4.3

Raise to the power of .

Step 4.4

Use the power rule to combine exponents.

Step 4.5

Add and .

Step 4.6

Rewrite as .

Step 4.6.1

Use to rewrite as .

Step 4.6.2

Apply the power rule and multiply exponents, .

Step 4.6.3

Combine and .

Step 4.6.4

Cancel the common factor of .

Step 4.6.4.1

Cancel the common factor.

Step 4.6.4.2

Rewrite the expression.

Step 4.6.5

Evaluate the exponent.

Step 5

Combine using the product rule for radicals.