√(3*(x+2)/(x+4)-x)=√((3x+6-x²-4x)/((x+4))=√(-(x²+x-6)/(x+4)).
x²+x-6=0 D=25 √D=5
x₁=-3 x₂=2 ⇒
√(-(x+3)(x-2)*(x+4))=√((x+3)(2-x)/(x+4))
(x+3)(2-x)/(x+4)≥0
-∞____+____-4____-____-3____+____2____-____+∞
Ответ: x∈(-∞;-4)U[-3;2].
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√(3*(x+2)/(x+4)-x)=√((3x+6-x²-4x)/((x+4))=√(-(x²+x-6)/(x+4)).
x²+x-6=0 D=25 √D=5
x₁=-3 x₂=2 ⇒
√(-(x+3)(x-2)*(x+4))=√((x+3)(2-x)/(x+4))
(x+3)(2-x)/(x+4)≥0
-∞____+____-4____-____-3____+____2____-____+∞
Ответ: x∈(-∞;-4)U[-3;2].