(x-2)(x-3)等于多少(x-2)(x-3)答案和步骤给我

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(x-2)(x-3)等于多少(x-2)(x-3)答案和步骤给我(x-2)(x-3)等于多少(x-2)(x-3)答案和步骤给我(x-2)(x-3)等于多少(x-2)(x-3)答案和步骤给我(x-2)(x

(x-2)(x-3)等于多少(x-2)(x-3)答案和步骤给我
(x-2)(x-3)等于多少
(x-2)(x-3)答案和步骤给我

(x-2)(x-3)等于多少(x-2)(x-3)答案和步骤给我
(x-2)(x-3)=x^2-3x-2x+6=x^2-5x+6,就是(A-B)(A-C)=A^2-(B+C)X+BC