pinewood
pinewood
20-06-2017
Mathematics
contestada
the solution set for 7q^2-28=0
Respuesta :
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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