Question

I need help to factor this expression
4z^3+36z^2+100z

Answer 1

divide all by 4

Answer 2

so z^3+4z^2+25z

Answer 3

says factor, not divide

Answer 4

common factor is
\[4z\] get
\[4z(z^2+9z+20)\] then
\[4z(z+4)(z+5)\]

Answer 5

there you go