Rewrite the expression using the negative exponent rule .

Combine and .

Rewrite as .

Factor out .

Pull terms out from under the radical.

Rewrite as .

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

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 .

Simplify.

Rewrite as .

Combine exponents.

Rewrite the expression using the least common index of .

Use to rewrite as .

Rewrite as .

Rewrite as .

Combine using the product rule for radicals.

Apply the product rule to .

Apply the product rule to .

Rewrite as .

Apply the product rule to .

Multiply the exponents in .

Apply the power rule and multiply exponents, .

Multiply by .

Rewrite as .

Factor out .

Rewrite as .

Add parentheses.

Pull terms out from under the radical.

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Simplify ( sixth root of x^7z^-2)^5