Question

Factor: 9x2 - 144x + 64
(3x - 8)2 ?

Answer 1

no

Answer 2

do i need to change my signs ?

Answer 3

better to

Answer 4

so (3x + 8)^2

Answer 5

it's not the problem of the sign it's -144 =/= 2x3x-8

Answer 6

so you can't apply that formula

Answer 7

sp prime ?

Answer 8

so*

Answer 9

\[x=(-b \pm \sqrt{b^2-4ac})/2a\]
on ax^2+bx+c

Answer 10

@OsmondF it's factorization.. not solving the equation..

Answer 11

XD
so 9(x-16)x+64