分解因式4X^2+3y-3xy-4x
问题描述:
分解因式4X^2+3y-3xy-4x
答
4x^2+3y-x(3y+4)
=4x^2+3y-3xy -4x
= 4x^2-3xy -4x +3y
= x (4x-3y) -(4x -3y)
= (x-1) (4x-3y)