It take clay 1/2 hour to mow his backyard. How much of the yard will be mowed after 1/3 hour

None of the yard would be mowed because he is lazy

i’m here for points.

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