Question

4x的四次方y的二次方-4x的二次方y+1分解因式

Answer 1

4x的四次方y的二次方-4x的二次方y+1

=（2x²y-1）²

追问

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追答

4x的四次方y的二次方-4x的二次方y+1
=(2x²y)²-2*2x²y+1
=（2x²y-1）²

Answer 2

4x^4y^2-4x^2y+1
=(2x^2y-1)^2