SOLUTION: This is on factoring x(x-7) + 9(x-7) I'm doing the distributive thing, and I don't think I'm suppose to. Thanks!

Question 77321This question is from textbook Elementary Alegbra
: This is on factoring
x(x-7) + 9(x-7)
I'm doing the distributive thing, and I
don't think I'm suppose to.
Thanks! This question is from textbook Elementary Alegbra

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If you're trying to combine like terms then:
Since we have like terms of (x-7) we can combine these terms. If we let y=x-7 we get
Now we can see the combination easier

replace y with x-7. This is the factored form