因式分解4x^-xy-2y^

问题描述:

因式分解4x^-xy-2y^

x是几次方?y几次方?

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

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

(2x^-2y)(2x+y)