Solving quardratic equations using factoring.


The book says the answer is -2,1.

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

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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  1. The order is not important. The answer is x=-2 or x=1

    Verify by substituting for x


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