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14 January, 00:33

5x^2=60-20x is rewritten as 5 (x-p) ^2+q=0 what is the value of Q

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Answers (2)
  1. 14 January, 00:49
    0
    -80

    Step-by-step explanation:

    5x² + 20x - 60 = 0

    5 (x² + 4x) - 60 = 0

    5[x² + 2 (x) (2) + 2² - 2²] - 60 = 0

    5 (x - 2) ² - 5 (4) - 60 = 0

    5 (x - 2) ² - 20 - 60 = 0

    5 (x - 2) ² - 80 = 0
  2. 14 January, 00:49
    0
    q=-5 (x-p) ^2
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