multiply :-(a²-a+1)(a+1)
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Step-by-step explanation:
(a2−a+1)(a+1)
=(a2+−a+1)(a+1)
=(a2)(a)+(a2)(1)+(−a)(a)+(−a)(1)+(1)(a)+(1)(1)
=a3+a2−a2−a+a+1
=a3+1
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