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17-11-2015
Mathematics

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What is the solution set of the equation:
7q^2 - 28 = 0

Respuesta :

Panoyin Panoyin

17-11-2015

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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