Asked by briana

Rhett decides to build a square room for his movie and music collection. If the area of the room is 9x2 − 6x + 1 square feet, what is the length of one side of the room?

A. (3x + 1) feet

B. (9x − 1) feet

C. (3x − 1) feet

D. (9x + 1) feet

I am stuck on this question please help thank you
Answered by briana
it is supposed to say 9x^2-6x+1
Answered by Steve
Since it is a perfect square, it's easy to check.

(a-b)^2 = a^2-2ab+b^2

so you know that a=3 and b=1

(3x-1)^2 = 9x^2-6x+1
Answered by briana
so it would be c?
Answered by Ian
Yes, C is correct
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