SOLUTION: if x-y=5,xy=84 find value of x cube - y cube

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Question 977239: if x-y=5,xy=84 find value of x cube - y cube
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Solve for . Substitute into . Solve the resulting quadratic for both possible values for . Solve for both possible values for . Substitute each of your value pairs into and do your arithmetic.

John

My calculator said it, I believe it, that settles it