Math, asked by sablerajvardhan848, 7 months ago

☺
* Simplity.
a2+ 10a+21/a2+6a-7×a2-1/a+3

Answers

Answered by navyaanand06

8

Answer:

(a2+6a−7)(a2+10a+21)×(a+3)(a−1)

⇒(a−1)+(a+7)(a+3)(a+7)×(a+3)(a−1)(a+1)

⇒1.

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