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4 March, 08:49

Which is the correct step below for using the grouping method to factor the following polynomial? 8x - 6 - 12x2 + 9x

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Answers (2)
  1. 4 March, 11:37
    0
    8x - 6 - 12x^2 + 9x

    2 (4x-3) - 3x (3x-3)

    => (2-3x) (3x-3)

    => 3 (x-1) (2-3x)
  2. 4 March, 12:35
    0
    Order from highest power to lowest

    -12x^2+9x+8x-6

    group

    (-12x^2+9x) + (8x-6)

    factor

    (-3x) (4x-3) + (2) (4x-3)

    undistribute

    (-3x+2) (4x-3)

    (4x-3) (2-3x)
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