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15 June, 18:53

Solve for x 5x (x-3) = 2

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Answers (1)
  1. 15 June, 19:12
    0
    5x (x - 3) = 2

    5x (x) - 5x (3) = 2

    5x² - 15x = 2

    5x² - 15x - 2 = 0

    x = - (-15) ± √ ((-15) ² - 4 (5) (-2))

    2 (5)

    x = 15 ± √ (225 + 40)

    10

    x = 15 ± √ (265)

    10

    x = 1.5 ± √ (265)

    x = 1.5 + √ (265) or x = 1.5 - √ (265)
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