The ratio of country albums to jazz albums in a music collection is 2 : 3. if the music collection has 45 albums, how many are country albums?

kjgfcvbjkl

step-by-step explanation:

sdfghjkl; vbnm,

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