把下列各式分解因式[1] x3-xy2 [2] xy3+x4 [3] x2-3x+2 [4] x2-x-2 [5] x2+4x-5 [6] x2+4x+3[7] 6x2-7x-3[8] 2x2-3x-3 [9] 8x2+26x-15 [10] [a-b]2+11[a-b]+28 [11] ax5-10ax4+16ax3 [12] [x2-2x]2-9 [13] 8x2+26xy-15y2 [14][ 6x2-7x]2-25 [15] 3ax-3ay+xy-y2

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把下列各式分解因式[1] x3-xy2 [2] xy3+x4 [3] x2-3x+2 [4] x2-x-2 [5] x2+4x-5 [6] x2+4x+3
[7] 6x2-7x-3[8] 2x2-3x-3 [9] 8x2+26x-15 [10] [a-b]2+11[a-b]+28 [11] ax5-10ax4+16ax3 [12] [x2-2x]2-9 [13] 8x2+26xy-15y2 [14][ 6x2-7x]2-25 [15] 3ax-3ay+xy-y2 [16] 5x2-15x+2xy-6y [17] x2+x-[a2-a] [18] 2y2-4y-6 [19] a3-5a2+6a [20] 6[q-2p]2-11[q-2p]+3 [21] b4-2b2-8

后面的数字是次方?这样子输入很容易错误.加我Q慢慢帮你解答.