3. The length and width of a rectangle are
15 cm. and 8 cm. What is the length of
the diagonal in centimeters?

yes

yes yes yes

so what is the problem what are they asking you to solve

step-by-step explanation:

so what is the problem what are they asking you to solve

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

the answer should be a. snail