Question

If x=2 and y=1 then x cube - y cube = _____​

Answer 1

Answer:

$x = 2 \: and \: y = 1 \\ {x}^{3} - {y}^{3} \\ = {2}^{3} - {1}^{3} \\ = 8 - 1 \\ = 7$

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