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posted by andra on Friday, April 18, 2014 at 2:54pm.

Factor the polynomial. Please show all work. x^2+2x-3

+3-1 = +2 so (x+3)(x-1)

thanks so much - but I have no idea what you did. why is it +3-1=2. How did you get to this? Is there a rule?

I was looking for what with 3 would make 2 and it is one.

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