INTERIOR DESIGN A designer has made a scale drawing of a living room for one
of her clients. The scale of the drawing
is 1 inch = 1. feet. On the drawing, the
sofa is 6 inches long. Find the actual
length of the sofa,
PLEASE HELP!!

Step-by-step explanation:

1 inch      is to   1  foot

6 inches is to  ?? feet

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