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14 January, 16:51

Factorise 3y+1-7x-21xy

Answers (2)
  1. J
    14 January, 17:46
    0
    X

    1-7x-21x

    1 Collect like terms.

    1

    +

    (

    -

    7

    x

    -

    2

    1

    x

    )

    1 + (-7x-21x)

    2 Simplify.

    1

    -

    2

    8

    x

    1-28x
  2. B
    14 January, 20:40
    0
    3y+1 - 7x (1+3y)

    (1-7x) (3y+1)
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