(2x+3y)3次方-4×(2x+3y)方+(8x+12y)因式分解

问题描述:

(2x+3y)3次方-4×(2x+3y)方+(8x+12y)因式分解

(2x+3y)3次方-4×(2x+3y)方+(8x+12y)
=(2x+3y)3次方-4×(2x+3y)方+4(2x+3y)
=(2x+3y)[(2x+3y)的平方-4(2x+3y)+4]
=(2x+3y)((2x+3y-2)的平方又是您,太感谢了