Ask your own question, for FREE!
Mathematics 19 Online
OpenStudy (ohmaigosshh):

(x + 3y)^2 ... Formula: (a + b)^2 = a^2 + 2ab +b^2.... I know that the first monomial is "x^2" and the 3rd is "9y^2" ... I need help with the 2nd one.

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!