Math, asked by vrushti2705, 1 year ago

factorise : a^2 + ab + 9a + 9b

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Answered by Anonymous

20

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here is ur answer
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Answered by yashii10

13

a²+ab+9a+9b
a²+9a+ab+9b
a(a+9) + b(a+9)
(a+b)(a+9)
Hence, Factorised

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