(45+ 9) x (28 + 7) Pls help

1890

Step-by-step explanation:

First, you want to add everything in the parenthies.

(45+9) x (28+7)

54 x 35

Now, you want to multiply

54 x 35 = 1890

step-by-step explanation:

the first 5 right here the next 5 i will upload as separate question

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