X+2y=4 find the value x³+8y³+24xy

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Question:

x+2y=4 find the value x³+8y³+24xy

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Answer : x=64, y=64Explain : Let x=4-2y, substitute it into the expression, make y be the only subject, and then calculate. Let y=(4-x)divide by 2, substitute it into the expression, make x be the subject, and calculate.

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