x²-根号2x=0 x1= .x2= .
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x²-根号2x=0x1=.x2=.x²-根号2x=0x1=.x2=.x²-根号2x=0x1=.x2=.x²-根号2x=0x(x-√2)=0x1=0.x2=√2.
x²-根号2x=0 x1= .x2= .
x²-根号2x=0 x1= .x2= .
x²-根号2x=0 x1= .x2= .
x²-根号2x=0
x(x-√2)=0
x1=0 .x2=√2 .
x²-根号2x=0 x1= 0,x2=根号2。