因式分解:x2-2xy-8y2-x-14y-6= 24x2-1507x-337842=

问题描述:

因式分解:x2-2xy-8y2-x-14y-6= 24x2-1507x-337842=

x² - 2xy - 8y² - x - 14y - 6 = (x + 2y + 2)(x - 4y - 3)
24x²-1507x-337842= (3x + 274)(8x - 1233)
方法可以用待定系数法:
x² - 2xy - 8y² - x - 14y - 6 = (x + Ay + B)(x + Cy + D)