因式分解:x²-2x-6.2x²-3x-9.6x²+13x+6.2x²-xy-y².6x²-37xy+6y²

问题描述:

因式分解:x²-2x-6.2x²-3x-9.6x²+13x+6.2x²-xy-y².6x²-37xy+6y²

2x²-3x-9=(X-3)(2X+3)
6x²+13x+6=(2X+3)(3X+2)
2x²-xy-y²=(X-Y)(2X+Y)
6x²-37xy+6y²=6(X-Y)(X-Y)