Ответ:
х1·x2 = C/2
-x1 - x2 = 5/2
x1 - x2 = 1,5
-2x2 = 4
x2 = -2
x1 = - 0,5
C = 2·(-2)·(-0,5) = 2
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Ответ:
х1·x2 = C/2
-x1 - x2 = 5/2
x1 - x2 = 1,5
-2x2 = 4
x2 = -2
x1 = - 0,5
C = 2·(-2)·(-0,5) = 2