Factorize: a^3-1+ a-1

asked Nov 27, 2022 70.5k views

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3 votes

Answer:

$(a-1)(a^2+a+2)\\$

Hi,

Explanation:

$Remember:\ x^3-y^3=(x-y)(x^2+xy+y^2)\\a^3-1+a-1\\\\=(a-1)(a^2+a+1)+1(a-1)\\\\=(a-1)(a^2+a+2)\\$

Crazko answered Nov 30, 2022

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5 votes

Answer:

have a great day

god bless you

Jeremy Warne answered Dec 3, 2022

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