Gabrielle's office had already recycled 7 kilograms this year before starting the new recycling plan, and the new plan will have the offi
recycling 1 kilogram of paper each week. After 21 weeks, how man
kilograms of paper will Gabrielle's office have recycled?

5x+10 is the correct one

hope this

h= 12 inches

step-by-step explanation:

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