计算(10x^3-6x^2-4)-(9x^3-2x^2-2)的值

计算：(x^2+6x+10)/(x^2+6x+9)+(x^2-11)/(x^2-9)+(2x^2+8x+5)/(x^2+4x+3) 计算（x*x+4x+5）/（x+2）-（x*x+6x+10）/（x+3）+1 计算:[(x^2 - 4)/(x^2 - x - 6) + (x+2)/(x-3)] / (x+1)/(x-3) 计算x^2+6x+9/x^3-7x^2+10x>=0 计算(x-2)/(x^2+3x+2)+6/(2+x-x^2-(x-10)/(x^2-4) 计算：x+2/x-3×x²-6x+9/x²-4 计算:(x+2)/(x^2 - x - 6) + 2x/(x^2 - 3x) - x/(x^2 - 6x + 9) x/x-3-5x/x^2-x-6计算 计算:x/x-2 - 5x/x²-x-6计算:x/x-3 - 5x/x²-x-6 2x*4x-3x计算 计算:x^2-9/4-x^2*x^2+x-2/x^2-4x+3, 计算 2+x+3/x-1*x^2-2x+1/x^2+6x+9 x^2+x-6分之x^2+3x-x^2-4分之x+2计算 计算：x²-6x+9/x²-x-6÷x²-9/x²-3x-10 乘以x+3/2x-10 计算：(-x^4)^3-(x^2)^6 计算分式2x-4/x²+3x÷x-2/x²+6x+9 如何计算（x-1)(x-2)(x-3)(x-4)-(x^2-5x)^2-10(x^2-5x) 计算3x^4-6x^3+9x^2÷(-3x)