Ask your own question, for FREE!
Mathematics 20 Online
OpenStudy (anonymous):

factor by grouping. x^3+3x^2+7x+21

OpenStudy (rulnick):

x(x^2+7)+3(x^2+7) = (x+3)(x^2+7) done :)

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!