Question

factor x2 +8x - 9

Answer 1

(x+9)(x-1).

Answer 2

Just find 2 numbers that when they multiply, you get the third term. When you add them, you get the second term.

Answer 3

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Don’t post only answers - guide the asker to a solution.

Answer 4

I didn't just post the answers. You should see my explanation above.

Answer 5

You posted the answer FIRST

Answer 6

thnka you Idealist, and thank YOU skullpatrol. Im a Soldier trying to better my education after 7 years outside of a classroom. its kind of embarassing that Im taking algebra 1 but its actually kicking my retrice Helping me figure out HOW to get the answer helps a lot
I'm not trying to take a shortcut, I just really needed the help and this site was recommended

Answer 7

but @Sabot3 Do you understand how to do it?

Answer 8

You're welcome. It would be good if everyone was nice like you.

Answer 9

I would be more than glad to assist you in learning this as much as possible. And thank you for your service I might add. It is refreshing to see someone as polite as you as well.

Answer 10

Thank you, Austin. Can you help me with my question?

Answer 11

I can certainly try.

Answer 12

http://openstudy.com/study#/updates/51f5859be4b0c8f6bc36ad09

Answer 13

Thank you for the medal, Sabot3.

Answer 14

I understand that 9 + (-1) = +8
and that 9 x (-1) = -9

Answer 15

@Idealist, welcome thanks for the explanation. I have a several more equations but I am trying to apply what I know first before seeking help. At least I finally found the best place for that expedient assistance

Answer 16

Okay, Sabot3.

Answer 17

But do you understand HOW to get those numbers when first presented with $$x^2 +8x - 9$$

Answer 18

with x^2 +8x−9
I understand it this way
(x ) (x )
I am familiar with the FOIL method as well. My biggest issue is determining the second two numbers in the trinomial

Answer 19

My mistake was that I thought the second part was the product and the third number was the solution

Answer 20

I had it backwards