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√7-(-√7+x)-x=0
√3(√6x-1)=3√2(x+2)
X(x-2)=1+(x-3)x

Răspuns :

Capsunica35
√7-(-√7+x)-x=0
√7+√7-x-x=0
2√7-2x=0
-2x=-2√7
x=2√7/2
x=√7

√3(√6x-1)=3√2(x+2)
√18x-√3=3x√2+6√2
3√2x-3√2x=6√2+√3
0x=6√2+√3
x=0

x(x-2)=1+(x-3)x
x²-2x=1+x²-3x
x²-x²-2x+3x=1
x=1

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