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15 July, 00:45

Solve by completing the square:

x2 + 10x = 75

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Answers (1)
  1. 15 July, 01:49
    0
    x = - 15, 5

    Step-by-step explanation:

    x²+10x-75=0

    x²+15x-5x-75=0

    (x+15) (x+5) = 0

    x = - 15 and x=5
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