Question

1) x^3-2x^2+x=0
2) x^4-2x^2+1=0
3) x^10-x^8=0

Answer 1

1) x(x^2-2x+1)=0
x(x-1)^2=0
x=0
x=1
2) (x^2-1)^1=0
x^2=1
x=+-1
3)x^8(x^2-1)=0
x=0
x^2=1
x=+-1

Answer 2

1)x^3-2x^2+x=o
x^3-2x+x=0+2+2
x^3-x+x=4
x=4