factorize (81 asq -126 xy+49 y sq)-25z sq

Question

factorize (81 asq -126 xy+49 y sq)-25z sq

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Gianna 2 months 2021-08-12T15:13:03+00:00 1 Answer 0 views 0

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    2021-08-12T15:14:42+00:00

    Step-by-step explanation:

    (9x²-2.9x.7y+7y²)-5z²

    (9x-7y)²-(5z)²

    (9x-7y+5z)(9x-7y-5z)

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