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X2 4x2 5 0. X^2-48-2x+35=1. x2 + 4x+4x+2. x^3 (x^2-1) = 4x + 5 (x^2 - 1). 3x+4x2-16 x2x2-16 решение.
X2 4x2 5 0. X2 4x2 5 0
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