Math, asked by nalearyan060, 5 months ago

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(1) (a +2)(a - 1)

Answers

Answered by rajims36596

4

answer:

(a+2)(a-1)

a(a-1)+2(a-1)

= a²-a+2a-2

=a²+(-a+2a)-2

=a²+a-2

hence,(a+2)(a-1)=a²+a-2

Step-by-step explanation:

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