I'm confused on how to factor. I know how to start, but then I get confused when it comes to changing it into this form "( ) ( )" How do I complete the factoring process???
you want to provide me with a question you got stuck on? It's easier to tell you how to factor with real probelms :)
ok, let's set up the "X" form, there should be a straight line between 2x and 4; x and 1
how do you set this up? :
factor 4=2*2 or 1*4 or 4*1 or -2*-2 or -1*-4 or -4*-1 (order here matters)
ignore all the negative pairs because it is +9x
then eliminate 2, 2 pair because 2*2x+2*x=4x, not 9x
now we just left with 4,1 and 1,4 pair
put them like this:
2x 1 2x 4
x 4 x 1
do the cross multiplication, you will see that for the second one, 2x*1+4x=6x, not 9x
let me know if you have further questions
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