\(x^3-4x^2+4\)
\(=x.\left(x^2-4x+4\right)\)
\(=x.\left[\left(x\right)^2-2.x.2+\left(2\right)^2\right]\)
\(=x.\left(x-2\right)^2\)
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\(x^3-4x^2+4\)
\(=x.\left(x^2-4x+4\right)\)
\(=x.\left[\left(x\right)^2-2.x.2+\left(2\right)^2\right]\)
\(=x.\left(x-2\right)^2\)