x^2-2x+1=0,the calculate the value of x? – InterviewSolution

1.

x^2-2x+1=0,the calculate the value of x?

Answer»

X=1 is the right answer

Given:x²-2x+1=0sum =-2; product=1number=-1,-1x²-x-x+1=0x(x-1)-1(x-1)=0(x-1)(x-1)=0Thus x=1,1

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