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3 February, 01:44

Solve this quadratic equation. Show all work.

4x^2-2x-5=0

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Answers (1)
  1. 3 February, 01:52
    0
    X = - b⁺₋ √b²-4ac/2a

    x = ( - (-2) ⁺₋√ (-2) ² - 4 (4) (-5)) / 2 (4)

    x = 4 ⁺₋√4+80/8

    x = (4⁺₋ 9.165) / 8

    x = 4+9.165) / 8 or x = 4-9.165) / 8

    x = 1.40 or x = - 0.896
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