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Mathematics 20 Online
OpenStudy (anonymous):

x^2+7x+12=)

OpenStudy (chaise):

x^2+7x+12=0 We are looking for numbers which add to give 7 and multiply to give 12. (x+3)(x+4)=0 x+4 = 0 x=-4 or x+3=0 x=-3

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