Question

Factor completely: 9x2 + 42x + 49

(3x + 7)(3x − 7)
(9x − 7)(9x − 7)
(3x + 7)(3x + 7)
(9x + 7)(9x + 7)

Answer 1

please

Answer 2

(3x+7)(3x+7) works

Answer 3

(3x+7)(3x+7)

Answer 4

@blurbendy could u do one more?

Answer 5

k

Answer 6

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

Answer 7

@blurbendy ^^^

Answer 8

9x2-6x+1
9x2-3x-3x+1
3x(3x-1)-1(3x-1)
(3x-1)^2
so (3x - 1)

Answer 9

@blurbendy thank u so much

Answer 10

yw