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?

(3x + 1) feet

(9x − 1) feet

(3x − 1) feet

(9x + 1) feet

Question

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?
 
(3x + 1) feet 

(9x − 1) feet 

(3x − 1) feet 

(9x + 1) feet

anonymous · Answer

9x2-6x+1
9x2-3x-3x+1
3x(3x-1)-1(3x-1)
(3x-1)^2
hence answer is (3x-1) right ?

johnweldon1993 · Answer

so we just factor this

9x² - 6x + 1

...and as i was typing...yes you are correct :)