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Solve by factoring.

5-6x-8=0

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Answers (1)
  1. 9 July, 14:17
    0
    5x² - 6x - 8 = 0

    x = - (-6) + / - √ ((-6) ² - 4 (5) (-8))

    2 (5)

    x = 6 + / - √ (36 + 160)

    10

    x = 6 + / - √ (196)

    10

    x = 6 + / - 14

    10

    x = 6 + 14 x = 6 - 14

    10 10

    x = 20 x = - 8

    10 10

    x = 2 x = - 4/5
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