根号x^2+4x-1=根号x-3

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根号x^2+4x-1=根号x-3根号x^2+4x-1=根号x-3根号x^2+4x-1=根号x-3根号x^2+4x-1=根号x-3则x^2+4X-1=X-3X^2+3X+2=0(X+2)(X+1)=0X

根号x^2+4x-1=根号x-3
根号x^2+4x-1=根号x-3

根号x^2+4x-1=根号x-3
根号x^2+4x-1=根号x-3
则x^2+4X-1=X-3
X^2+3X+2=0
(X+2)(X+1)=0
X=-2或x=-1