(13-x)＋6＝(2x)

(13-x)＋6＝(2x) 6x－2x＋3x－3x－x＝1.2×3 多项式x^4+2x^3-4x^2-2x+3与x^3+4x^2+x-6的最大公因式是什么x^4+2x^3-4x^2-2x+3＝(x^4＋3x^3)－x(x^2＋4x＋3)＋(x＋3)＝x^3(x＋3)－x(x＋1)(x＋3)＋(x＋3)＝(x＋3)[x^3－x(x＋1)＋1]＝(x＋3)[x^3＋1－x(x＋1)]＝(x＋3)[(x＋1)( 4x x-2 x -- - -- ＝ -- +1 3 2 64x x-2 x-- - -- ＝ -- +13 2 6 方程:13X＋3＝14X＋2.4x+3＝3x+8 5（x+2）＝方程:13X＋3＝14X＋2.4x+3＝3x+85（x+2）＝2（2x+7）6（2x-7）＝5（x+7） x＋2(2x－6）＝13 *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || x＋½x＋½x＝2x x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) 6x(x-2)＝(x-2)(x-3) 因式分解(x-1)(x+2)(x+3)(x+6)-13 (x-1)(x+2)(x+3)(x+6)-13 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x 3(x^4)^6-2(x^5×x^3)^3+x^11×x^13+x^20×x^3×x (x-2)(x-3)+2(x+6)(x-5)-3(x^2-7x+13) (X-2)(X-3)+2(X+6)(X-5)-3(X^2+7X+13) 计算(x-2)(x-3)+2(x+6)(x-5)-3(x平方-7x+13) (3x-2)(x-3)-2(x+6)(x-5)+3x(-7x+13)