a) \(x^3-2x^2+x+xy^2\)
\(=x\left(x^2-2x+1+y^2\right)\)
\(=x\left[\left(x-1\right)^2+y^2\right]\)
\(=-x\left[\left(x-1\right)^2-y^2\right]\)
\(=-x\left(x-1+y\right)\left(x-1-y\right)\)
b) \(4x^2+16x+16\)
\(=4\left(x^2+4x+4\right)\)
\(=4\left(x+2\right)^2\)
b)
= \(\left(2x\right)^2+16x+4^2\)
=\(\left(2x+4\right)^2\)
A ) X(x^2-2x+1+y^2)
x(x-1)^2+y^2)
-x(x+1)^2-y^2)
-x(x+1-y)(x+1+y)