Math, asked by oindrayeechaudhury, 5 months ago

factorise :- a³-a-120

Answers

Answered by avneetkaur120

1

answer:

a3-a-120

=a3-125-a+5

=(a-5)(a2+5a+25)-(a-5)

=(a-5)(a2+5a+25-1)

=(a-5)(a2+5a+24)

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