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Mathematics 7 Online
OpenStudy (anonymous):

x^2+2x-360=0

OpenStudy (anonymous):

what goes in to -360 and comes out 2 when subtracted

OpenStudy (callisto):

x + 20 x -18 use cross multiplication and you'll get 2x x^2+2x-360=0 (x+20)(x-18) =0 x= - 20 or x=18

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