(х-y)²-3(x-y) how do you factorise this equation?​

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(х-y)²-3(x-y) how do you factorise this equation?​

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bonexptip 5 years 2021-08-20T07:44:15+00:00 1 Answers 12 views 0

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  1. Philomena
    0
    2021-08-20T07:45:43+00:00
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    Answer:

    (x-y)(x-y-3)

    Step-by-step explanation:

    (x-y)² – 3(x-y)

    take (x-y) common,

    (x-y)(x-y-3)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )