Question

The product of (a-b)(a^2 +ab +b^2) = _________ *
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Answer 1

Answer:

$x = a \\ y = b \\( x -y)(x ^{2} + xy + {y}^{2} ) \\ = {x}^{3} + {x}^{2} y + x {y}^{2} - {x}^{2} y - x {y}^{2} - {y}^{3} \\ = {x}^{3} - {y}^{3}$