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10 March, 23:57

What are the solutions of the quadratic equation (x + 3) 2 = 49?

Ox=-2 and x = - 16

x = 2 and x = - 10

O x = 4 and x = - 10

O x = 40 and x = - 58

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Answers (1)
  1. 11 March, 03:04
    0
    4 and - 10

    Step-by-step explanation:

    Take the square root of both sides of (x + 3) ^2 = 49, obtaining:

    x + 3 = ± 7

    Then either x + 3 = 7 or x + 3 = - 7.

    In the first case, x = 4; in the second case, x = - 10.
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