Question

Factor completely 9x^2 + 42x + 49.

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

Answer 1

Which one do you think it is?

Answer 2

C

Answer 3

nope

Answer 4

oh-?

Answer 5

wait its not?

Answer 6

idk 0-0

Answer 7

Remember your formulas

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

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

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

Answer 8

oh shoot, you're correct

Answer 9

oh ok

Answer 10

woah i was right?

Answer 11

thx az and tet

Answer 12

I have no idea what I saw when I looked at the answer choices

I thought you chose (3x + 7)(3x - 7)

That's my bad

Answer 13

you got it correct with C (:

Answer 14

LMAOOOOO

Answer 15

its ok