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21 November, 16:35

What is the simplified form of (3 / 4x+3) + (21 / 8x^2-14x-15)

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  1. 21 November, 16:51
    0
    (3 / 4x + 3) + (21 / (4x + 3) (2x - 5)

    = 3 (2x-5) / (4x + 3) (2x - 5) + 21 / (4x + 3) (2x - 5)

    = 6x - 15 + 21 / (4x+3) (2x - 5)

    = 6x + 6 / (4x + 3) (2x - 5)

    = 6 (x + 1) / (4x + 3) (2x - 5)
  2. 21 November, 17:03
    0
    (3/4X+3) + (21/8X²-14X-15)

    =21/8X²-14X-3/4X-15+3

    =21/8X²-13 1/4X-12
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