Posted by **G** on Friday, May 23, 2008 at 9:04pm.

Solving quardratic equations using factoring.

2X^2+2X-4=0

The book says the answer is -2,1.

I got the -2,1 but not in the order of

-2,1.

I used FOIL to solve. When I use -2,1 I don't can not solve. When I use

1,-2. I can solve.

I am not clear.

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