x^5-2x^3+x=?

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x^5-2x^3+x=?x^5-2x^3+x=?x^5-2x^3+x=?x^5-2x^3+x=x(x^4-2x^2+1)=x(x²-1)²=x(x+1)²(x-1)

x^5-2x^3+x=?
x^5-2x^3+x=?

x^5-2x^3+x=?
x^5-2x^3+x
=x(x^4-2x^2+1)
=x(x²-1)²
=x(x+1)²(x-1)²

x*((x^2)^2-2(x^2)+1)=x*(x^2-1)^2=x*(x-1)^2*(x+!)^2