SOLUTION: i doubt this is in the right category, but i have no idea what i am doing. If {{{a^3 + b^3=50}}} and (a+b)^3, then ab(a +b)=????

SOLUTION: i doubt this is in the right category, but i have no idea what i am doing. If {{{a^3 + b^3=50}}} and (a+b)^3, then ab(a +b)=????

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Question 28063: i doubt this is in the right category, but i have no idea what i am doing.
If and (a+b)^3, then ab(a
+b)=????
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
(A+B)^3=A^3+B^3+3AB(A+B)=50+3AB(A+B)
AB(A+B)=(A+B)^3-50...IF YOU BARE GIVEN (A+B)^3 THEN WE CAN FIND AB(A+B) FROM THE ABOVE EQN.

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