Apply the product rule to .

Apply the power rule and multiply exponents, .

Multiply by .

Move .

Use the power rule to combine exponents.

Add and .

Apply the power rule and multiply exponents, .

Multiply by .

Move .

Multiply by .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Simplify (-3a^3b)(a^4b^4)^5