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8 May, 14:39

How do you solve

is it

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Answers (1)
  1. 8 May, 14:47
    0
    x² - 8x = 65

    x² - 8x + 16 = 65

    x² - 8x + 16 - 65 = 65 - 65

    x² - 4x - 4x + 16 - 65 = 0

    x (x) - x (4) - 4 (x) + 4 (4) - 65 = 0

    x (x - 4) - 4 (x - 4) - 65 = 0

    (x - 4) (x - 4) - 65 = 0

    (x - 4) ² - 65 = 0

    It is actually (x - 4) ² - 65.
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