分组因式分 24x-12xy-4x^2+2x^2y =24x-4x^2 -12xy+2x^2y =4x(6-x) - 2xy(6-x) =(4x-2xy)(6-x) 或者=(4-2y)(6x-x²)
三次根式怎么求其有理化因式,顺便看下下面这道考研数学题
分组因式分 24x-12xy-4x^2+2x^2y =24x-4x^2 -12xy+2x^2y =4x(6-x) - 2xy(6-x) =(4x-2xy)(6-x) 或者=(4-2y)(6x-x²)
三次根式怎么求其有理化因式,顺便看下下面这道考研数学题