Question

how do i factor the following 9-x2

Answer 1

how do i factor 9-x2?

Answer 2

(x-3)(x+3)

Answer 3

use the formula \[a ^{2}-b ^{2}=(a+b)(a-b)\]

Answer 4

do u want the rule (formula)??

Answer 5

oh lol look at mashys

Answer 6

never give direct answers, that ll spoil the kids :P

Answer 7

yes i know .... lol! :D

Answer 8

i just don't get any of this stuff, but algebra and trig is required for me to get my degree

Answer 9

4x2+81-36x

Answer 10

??

Answer 11

9-x2 = (3-x)(3+x)