4x(y-x)-y^2因式分解

问题描述:

4x(y-x)-y^2因式分解

原式=4xy-4x^2-y^2=-(x-y)^2

=-4x²+4xy-y²
=-(4x²-4xy+y²)
=-(2x-y)²

4x(y-x)-y²
=4xy-4x²-y²
=-(4x²-4xy+y²)
=-(2x-y)²
很高兴为您解答,【the 1990】团队为您答题.
请点击下面的【选为满意回答】按钮.

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