Find the HCF of x² – 9, x²+7x+12, 3x+9

Question

Find the HCF of
x² – 9, x²+7x+12, 3x+9

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Amara 4 days 2021-10-11T04:00:30+00:00 1 Answer 0 views 0

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    2021-10-11T04:02:05+00:00

    Answer: mark me as brainliest

    Step-by-step explanation:Factorizing x2 + 4x + 4 by using the identities (a + b)2, we get


    (x)2 + 2(x)(2) + (2)2


    = (x + 2)2


    = (x + 2) (x + 2)


    Also, factorizing x2 – 4, we get


    (x)2 – (2)2, by using the identities of a2 – b2.


    = (x + 2) (x – 2)


    Therefore, H.C.F. of x2 + 4x + 4 and x2 – 4 is (x + 2).

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