Combine using the product rule for radicals.

Raise to the power of .

Multiply by .

Multiply and .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Rewrite as .

Use to rewrite as .

Apply the power rule and multiply exponents, .

Combine and .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Evaluate the exponent.

Rewrite as .

Raise to the power of .

Rewrite as .

Factor out of .

Rewrite as .

Pull terms out from under the radical.

Combine exponents.

Rewrite the expression using the least common index of .

Use to rewrite as .

Rewrite as .

Rewrite as .

Use to rewrite as .

Rewrite as .

Rewrite as .

Combine using the product rule for radicals.

Apply the product rule to .

Multiply by by adding the exponents.

Move .

Use the power rule to combine exponents.

Add and .

Rewrite as .

Use to rewrite as .

Apply the power rule and multiply exponents, .

Combine and .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Evaluate the exponent.

Raise to the power of .

Multiply by .

Rewrite as .

Pull terms out from under the radical, assuming positive real numbers.

Multiply by .

Divide by .

Simplify ( square root of cube root of 7* square root of 7)/( cube root of 7^2)