Question

9x^2+9x-28

Answer 1

quadratic equation.

Answer 2

u want factors or value of x?

Answer 3

factors

Answer 4

Yes, use the quadratic equation.

Answer 5

Again that. How we can use quadratic equation ???
He don't says 9x^2+9x-28=0! he just says 9x^2+9x-28!
This is nothing guys!

Answer 6

thats what the problem is!

Answer 7

It should be set to 0, you are correct.

Answer 8

the better thing that you can do is this: 9x(x-9)-28.

Answer 9

*** 9x(x+1)-28

Answer 10

how will that help us?

Answer 11

You can't do anything else,only factorization.

Answer 12

Oh, I see! I thought it's finding x. Sorry, my bad >_<
Thanks Alexis =)

Answer 13

9x^2 + 9x - 28 (ac = 9*-28 = -252)
9x^2 + 21x - 12x - 28
3x(3x + 7) -4(3x + 7)
(3x - 4)(3x + 7)

Answer 14

THANK YOU!!!

Answer 15

u r welcome.....☺☻☺

Answer 16

:) can you help me with some more?