(根号2-1)x*x+(根号2+1)x=0即 x[(根号2-1)x+根号2+1]=0推出 x=0 或者 x=-(根号2+1)/(根号2-1)=-3-2*根号2
x((1-√2)x-(1+√2))=0x1=0(1-√2)x-(1+√2)=0 x2=(1+√2)/(1-√2)=-3-2√2