Ответ:
2x^2 +5x +2 = 0;
D = b^2 - 4ac = 25 - 16 = 9;
x1 = (-5 - 3)/4 = -2
x2 = (-5 +3)/4 = -1/2
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Ответ:
2x^2 +5x +2 = 0;
D = b^2 - 4ac = 25 - 16 = 9;
x1 = (-5 - 3)/4 = -2
x2 = (-5 +3)/4 = -1/2