x²+2xy-8y²+2x+14y-3因式分解
问题描述:
x²+2xy-8y²+2x+14y-3因式分解
答
x²+2xy-8y²+2x+14y-3
=(x+4y)(x-2y)+2x+14y-3
=(x+4y-1)(x-2y+3)