Write the fisrt four terms of the sequence start at 7 then subtract 3

7 , 4  , 1 , - 1 ...

Step-by-step explanation:

7 , 4  , 1 , - 2 ... (7 - 3(n - 1) ) ...

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