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4 April, 07:33

Solve x4 - 7x2 - 18 = 0

+3
Answers (2)
  1. 4 April, 08:41
    0
    the answer is

    x=±3,±√ 2



    ı

    Step-by-step explanation:

    (x ^2-9) (x 2+2) = 0
  2. 4 April, 08:52
    0
    Thw answer is X = 3 or - 3
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