√(4+4x+x²)=4-x;
√(2+x)²=4-x;
ОДЗ: 4-x≥0; x≤4;
2+x=4-x;
x+x=4-2;
x=1;
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√(4+4x+x²)=4-x;
√(2+x)²=4-x;
ОДЗ: 4-x≥0; x≤4;
2+x=4-x;
x+x=4-2;
x=1;
√(4-4x+x²)