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Mathematics 25 Online
OpenStudy (anonymous):

(x+3)(x+7)

OpenStudy (anonymous):

x= -3 and -7 these are your x intercepts

OpenStudy (anonymous):

Thanks for the help but i know what to do now :D

OpenStudy (anonymous):

so what did you need? Foil: x^2+7x+3x+21=x^2+10x+21

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