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22 March, 11:11

Solve (x - 2) (x + 7) = 0

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Answers (1)
  1. 22 March, 11:14
    0
    x = 2 or

    x = - 7

    Step-by-step explanation:

    (x - 2) (x + 7) = 0

    x - 2 = 0

    Add 2 to both sides

    x - 2 + 2 = 2 + 0

    x = 2

    OR

    x + 7 = 0

    Subtract 7 from both sides

    x + 7 - 7 = 0-7

    x = - 7

    Therefore

    x = 2 or

    x = - 7
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