Question

Hey, sent me cubic ³ algebraic identity.

Answer 1

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

Hope this helps you...

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