If someone have all the proofs of this I’ve been trying since yesterday PLEASE

Please see steps below

Step-by-step explanation:

Notice the following:

(a) Angles 5 and 1 are alternate angles between parallel lines, and then they must be congruent (equal in measure)  

(b) Angles 6 and 3 are also alternate angles  between parallel lines, so they must be congruent (equal measure)  

Therefore, instead of expressing the addition:

we can write:

which in fact clearly add to

google dat sis

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