Find the value of x3 - 8y3 - 36xy - 216, when x = 2y + 6.
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Nice one yeah very nice question
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24y^2-360=0
Step-by-step explanation:
(24+6)^3-8y-36(2y+6)y-216
next:
8y^3+48y^2+144+216-8y^3-72y^2+216-216
add and subtract
ans: 24y^2-360
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