3x^2 - 48 = 0
x^2 - 16 = 0
(x - 4) * (x + 4) = 0
x - 4 = 0
x + 4 = 0
x1 = 4
x2 = -4
odp D
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3x^2 - 48 = 0
x^2 - 16 = 0
(x - 4) * (x + 4) = 0
x - 4 = 0
x + 4 = 0
x1 = 4
x2 = -4
odp D