Question

Please help!!! How do you count (-3y^2+5y) (4y+7)??

Answer 1

You must distribute each value like this:

$(-3y^2+5y) (4y+7)\\ \\ (-12y^3-21y^2+20y^2+35y)\\ \\ (-12y^3-y^2+35y)$

Hope that helps!