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30 May, 05:18

Factor: 4x^2-10x-2=0.

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  1. 30 May, 07:52
    0
    4x² - 10x - 2 = 0

    2 (2x²) - 2 (5x) - 2 (1) = 0

    2 (2x² - 5x - 1) = 0

    2 2

    2x² - 5x - 1 = 0

    x = - (-5) ± √ ((-5) ² - 4 (2) (-1))

    2 (2)

    x = 5 ± √ (25 + 8)

    4

    x = 5 ± √ (33)

    4

    x = 5 + √ (33) U x = 5 - √ (33)

    4 4
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