log2(x2+x)=1
x2 + x = 2
x2 + x - 2 = 0
D = 1 + 8 = 9 (корень)D = 3
x1 = 1
x2 = -2
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log2(x2+x)=1
x2 + x = 2
x2 + x - 2 = 0
D = 1 + 8 = 9 (корень)D = 3
x1 = 1
x2 = -2