How much is 4x ^ 2Y · (- XY ^ 2) / x ^ 2Y ^ 4? It's better to have a process. Thank you~~ How much is (3x + 2) (x-3) - 3 (X-2) ^ 2?

How much is 4x ^ 2Y · (- XY ^ 2) / x ^ 2Y ^ 4? It's better to have a process. Thank you~~ How much is (3x + 2) (x-3) - 3 (X-2) ^ 2?

4x²y*(-xy²)/x²y⁴
=-4x³y³/x²y⁴
=-4x/y