Question

Factorise - x ki power 3 _x
$factorise \: - x {3} - x {}^{2} + x - 1$
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Answer 1

Step-by-step explanation:

x3−x2+x−1

x2(x-1)+1(x-1)

(x-1)(x2+1)

(x-1)=0

x=1

(x2+1)=0

x2=-1