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Gnoma [55]
3 years ago
14

The solution set for 7q^2-28=0

Mathematics
1 answer:
kherson [118]3 years ago
8 0
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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