因式分解(x+y)²-4x²
问题描述:
因式分解(x+y)²-4x²
答
(x+y)²-4x²
=(x+y+2x)(x+y-2x)
=(3x+y)(y-x)
因式分解(x+y)²-4x²
(x+y)²-4x²
=(x+y+2x)(x+y-2x)
=(3x+y)(y-x)