Math, asked by ANUJ1234J, 10 months ago

Factorise : a²+6a-91

Answers

Answered by Blossomfairy

10

Question

Factorise : a²+6a-91

Answer

= a²+6a-91

= a² + 13a - 7a - 91 [By middle term factorisation]

= a(a + 13) - 7(a + 13)

= (a - 7) (a + 13)

.°. Answer is (a - 7) (a + 13).

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