Question

(x-1) (x²+x+1) - (x²-x+1) (x+1)​

Answer 1

Answer:

$(x-1) (x²+x+1) - (x²-x+1) (x+1)$

$= ( {x}^{3} - 1) - ( {x}^{3} + 1)$

$= {x}^{3} - 1 - {x}^{3} - 1$

$= - 2$

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