x cube -xsquare-x+1
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Answer:
given,x³-x²-x+1
Step-by-step explanation:
now taking common in that
⇒x²[x-1]-1[x-1]
⇒[x²-1] [x-1]
⇒ x-1=0 & x²-1=0
∴x=1 ⇒ x²=1
⇒x=±√1
⇒x=±1
∴x=1,-1,1
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