Question

How do you simplify `(-4xy)(2x^4 yz^3 -y^4 z^9)`?

Answer 1

`color(brown)(=> 4xy^2z^3 * ( y^3z^6 - 2x^4)`

Explanation:

`(-4xy)(2x^4yz^3-y$z^9)`

`=> -4xy*2x^4yz^3 -4xy*-y^4z^9`

`=> -8x^5y^2z^3 + 4xy^5z^9`

`color(brown)(=> 4xy^2z^3 * ( y^3z^6 - 2x^4)`