решите уравнение х (в квадрате) -4 х-32 = 0
x^2 -4x -32=0
D = 16 + 4*32 = 144=12
x = 4 +/- 12 / 2
x1= 8 x2=-4
фото................................................
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x^2 -4x -32=0
D = 16 + 4*32 = 144=12
x = 4 +/- 12 / 2
x1= 8 x2=-4
фото................................................