Ask your own question, for FREE!
Mathematics 18 Online
OpenStudy (anonymous):

Prove that: if a + 2b + 3c = 7x then /[a^2 + b^2 + c^2 = (x-a)^2 + (2x-b)^2 + (3x-c)^2/]

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!