SOLUTION: Find the value of x³-8y³-36xy-216 when x=2y+6

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Question 1035906: Find the value of x³-8y³-36xy-216 when x=2y+6
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
x³-8y³-36xy-216 = %282y%2B6%29%5E3+-+8y%5E3+-+36%282y%2B6%29y+-+216
=8y%5E3+%2B+72y%5E2+%2B216y+%2B+216+-+8y%5E3+-+72y%5E2+-+216y+-+216+=+highlight%280%29.