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X2 4x. X2-2x/x+4 x-4/x+4 решение. Решение x+x2-4=0. X+x2-4x+4. (X+2)(X-4)>0.
X2-2x/x+4 x-4/x+4 решение. Решение x+x2-4=0. X+x2-4x+4. (X+2)(X-4)>0.

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