x²+2xy-8y²+2x+14y-3因式分解

来源：学生作业学帮网编辑：学帮网时间：2024/05/18 04:44:53

x²+2xy-8y²+2x+14y-3
=(x+4y)(x-2y)+2x+14y-3
=(x+4y-1)(x-2y+3)

x²+2xy-8y²+2x+14y-3
=(x+4y)(x-2y)+2x+14y-3
=(x+4y-3)(x-2y+1)

x^2+2xy-8y^2+2x+14y-3
=(x+4y)(x-2y)+2x+14y-3
=(x+4y)(x-2y)+3(x+4y)-(x-2y)-3
=(x+4y-1)(x-2y+3)