Math, asked by 3214566, 9 months ago

factorise x^3 - y^3 - 1 - 3xy

Answers

Answered by Anonymous

17

x³ + (-y)³ + (-1)³ -3.x.(-y).(-1)

= (x-y-1) (x² + y² + 1 + xy - y + x)

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