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  • 20-06-2017
  • Mathematics
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the solution set for 7q^2-28=0

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SortaRican2256
SortaRican2256 SortaRican2256
  • 20-06-2017
7q² - 28 = 0
     + 28 + 28
       7q² = 28
         7      7
         q² = 4
          q = ±4
          q = 4    or    q = -4

Solution Set: {±4} and {q|q = 4 or q = -4}
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