What should be done to solve the following equation? (7.5)x = 45
subtract 0.5 from both sides, then divide each side by 7.
divide each side by 45.
divide each side by 7.5.
multiply each side by 7.5.

yes

step-by-step explanation:

yes

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