Question

x
$\\ ({x}^{3} - {y}^{3} )\div x - y$
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Answer 1

$({x}^{3} - {y}^{3} )\div x - y \\ \\ ( {x}^{3} - {y}^{3} ) = (x - y)( {x}^{2} + xy + {y}^{2} ) \\ therefore \\ = (x - y)( {x}^{2} + xy + {y}^{2}) \div (x - y) \\ = {x}^{2} + xy + {y}^{2} \\ hope \: it \: helps \: you$