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19 September, 05:47

Is 6 a solution to the quotation 2x squared + 8 equals 80

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Answers (2)
  1. 19 September, 06:01
    0
    Step-by-step explanation:

    2x²+8=80

    2x²=80-8=72

    x²=72/2=36

    x=±√36

    x=±6

    so x=6 is one solution other is x=-6
  2. 19 September, 06:14
    0
    No because 2 (6) is 12 and that squared is 144
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