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9 October, 07:44

How to factor by grouping to factor 4x^3+12^2-9x-27

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Answers (2)
  1. 9 October, 09:27
    0
    4x³ + 12x² - 9x - 27

    4x² (x) - 4x² (3) + 9 (x) - 9 (3)

    4x² (x - 3) + 9 (x - 3)

    (4x² + 9) (x - 3)
  2. 9 October, 10:23
    0
    4x³+12x²-9x-27

    4x² (x) + 4x² (3) - 9 (x) - 9 (3)

    4x² (x+3) - 9 (x+3)

    (4x²-9) (x+3)

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