计算(x-2)/(x^2+3x+2)+6/(2+x-x^2-(x-10)/(x^2-4)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/26 09:04:33
计算(x-2)/(x^2+3x+2)+6/(2+x-x^2-(x-10)/(x^2-4)计算(x-2)/(x^2+3x+2)+6/(2+x-x^2-(x-10)/(x^2-4)计算(x-2)/(x^2
计算(x-2)/(x^2+3x+2)+6/(2+x-x^2-(x-10)/(x^2-4)
计算(x-2)/(x^2+3x+2)+6/(2+x-x^2-(x-10)/(x^2-4)
计算(x-2)/(x^2+3x+2)+6/(2+x-x^2-(x-10)/(x^2-4)
(x-2)/(x^2+3x+2)+6/(2+x-x^2)-(x-10)/(x^2-4)
=(x-2)/[(x+1)(x+2)]-6/[(x+1)(x-2)]-(x-10)/[(x-2)(x+2)]
=[(x-2)^2-6(x+2)-(x-10)(x+1)]/[(x-2)(x+1)(x+2)]
=[(x^2-4x+4)-(6x+12)-(x^2-9x-10)]/[(x-2)(x+1)(x+2)]
=[-x+2]/[(x-2)(x+1)(x+2)]
=-1/[(x+1)(x+2)]
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
计算:(x+1)(x-2)(x-3)(x-6)
计算:[(x^2 - 4)/(x^2 - x - 6) + (x+2)/(x-3)] / (x+1)/(x-3)
计算:(x+2)/(x^2 - x - 6) + 2x/(x^2 - 3x) - x/(x^2 - 6x + 9)
x(x-2)(2x-3)计算
计算: (x+3)(x²-x-2)
计算 (x+3)(x²-x-2)
2x*4x-3x计算
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x^2-5x+6/x^2-1/x^2+x/x-3
计算(x-2)(x-3)+2(x+6)(x-5)-3(x平方-7x+13)
(x-6)(x的平方+x+1)-x(2x+1)(3x-1)计算
计算:(-x^4)^3-(x^2)^6
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
计算(6x^2-4x)/(3x-2)
计算:6x^2-[-3x^2-(x-1)]