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3 January, 10:00

Find all possible solutions for the following equation

x²+7x+63=63

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Answers (2)
  1. 3 January, 10:17
    0
    0 or - 7

    Step-by-step explanation:

    x² + 7x + 63 = 63

    ⇔ x² + 7x + 63 - 63 = 0

    ⇔ x² + 7x = 0

    ⇔ x (x + 7) = 0

    So either: x = 0

    or x + 7 = 0 ⇔ x = - 7
  2. 3 January, 10:29
    0
    Step-by-step explanation:

    X^2+7x+63=63

    x^2+7x=63-63=0

    X (x+7) = 0

    x1=0

    X2=-7
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