因式分解:4a(x+y-z)+10a的2次方(z-x-y)=
问题描述:
因式分解:4a(x+y-z)+10a的2次方(z-x-y)=
答
4a(x+y-z)+10a的2次方(z-x-y)
=4a(x+y-z)-10a的2次方(x+y-z)
=2a(x+y-z)(2-5a)