F(x)=x^3+9x^2+23x + 15

answer: 0+0=0

step-by-step explanation:

that is the only answer that can make 0

where are the choices?

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb