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9 October, 16:44

Solve (x + 3) ^2 + (x + 3) - 2 = 0.

Let u = x+3

Rewrite the equation in terms of u.

A. u^2 + u - 2 = 0

B. (u^2 + 9) + u - 2 = 0

C. u^2 + u + 1 = 0

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Answers (2)
  1. 9 October, 17:10
    0
    The answer to this question is B.
  2. 9 October, 19:11
    0
    U²+u-2=0

    just replace them, how hard is it

    A is answer
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