1.2x方+7x+6 =(2x+3)(x+2)
2.3x方-11x+6= (3x-2)(x-3)
3.3x方+17x-6=(3x-1)(x+6)
4.6x方-17x-6 =(估计此题写错了)
5.45x方-13xy-2y方=(5x-2y)(9x+y)
1.2x方+7x+6 =(2x+3)(x+2)
2.3x方-11x+6= (3x-2)(x-3)
3.3x方+17x-6=(3x-1)(x+6)
4.6x方-17x-6 =(估计此题写错了)
5.45x方-13xy-2y方=(5x-2y)(9x+y)