(x^2)^5÷(X^2)^2(a^3)^2÷(a^2)^3(ab^2)^3÷(-ab)^2）

x^2-6x+5= A(x-2)(x-3)B(x-6)(x+1) x^2-x/x+1÷x/x+1 ；x^2+6x+9/x^2-9÷x+2/x-3；2/a÷4/a *-----------------------------------------------*| 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 || a+x/x+1 ,x/x^2-2x-3 ,a/x^2+4x+3 计算：(x^3-3x^2)/(x^2+5x+6)÷(x^3-9x)/(x^2+2x-3)*(x+2)/(2x)(1)/(a-1)+(1)/(a+1)-(a^2+1)/(a^2-1) 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 x^2+x+a (x-a)(x-2) (1)(a³/3xy²)²÷(-ay/2x²)³；（2）y/(x²-xy)+xy/(2x-2y)(3)x/(x+2)- 2x-1/(x²+4x+4)（4）[x+2/(x²-2x)-x-1/(x²-4x+4)]÷4-x/x；（5）[a+2/(a²-2a)-a-1/(a²-4a+4)]×a-2/a÷4-a/a²；（6）x+3y/( 已知集合A={X|2x-3/x+5 已知集合A={x|(2x-3)/(x+5) 已知集合A={x|(2x-3)/(x+5) 已知集合A={X|2x-3/x+5 ( A/X-5 ) + ( B/X+2 ) = 5X-4/X^2-3X-10 ^-^ 5x+15/x^2+x-6=A/x-2+B/x-3 合并同类项3a*3a+a*a-(2a*2a)+(3a-a*a)3a*3a+a*a-(2a*2a)+(3a-a*a) (2x*2x*2x*2x-5x*5x-4x+1)-(3x*3x*3x-5x*5x-3x) matlab中a(x)=x^4+3x^3+9x-18 b(x)=x^5-4x^3-18x+7 c(x)=x^7+6x^5+9x^3-5x^2-2 d(x)=x^9-8x^7+6x^5-4x^4+d(x)=x^9-8x^7+6x^5-4x^4+6x^2+3 求e(x)=a(x)*b(x)*c(x)*d(x) 解关于X的不等式(a^+a+1)x-3a>(2+a)x+5a