化简:2x-6/4-4x+x²÷(x+3)·x(x+3)-2(3+x)/3-x

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 21:36:58
化简:2x-6/4-4x+x²÷(x+3)·x(x+3)-2(3+x)/3-x化简:2x-6/4-4x+x²÷(x+3)·x(x+3)-2(3+x)/3-x化简:2x-6/4-4x

化简:2x-6/4-4x+x²÷(x+3)·x(x+3)-2(3+x)/3-x
化简:2x-6/4-4x+x²÷(x+3)·x(x+3)-2(3+x)/3-x

化简:2x-6/4-4x+x²÷(x+3)·x(x+3)-2(3+x)/3-x
(2x-6)/(4-4x+x^2)÷(x+3)*[x(x+3)-2(3+x)]/(3-x)
=[2(x-3)/(x-2)^2]*(x+3)(x-2)/[(3-x)(x+3)]
=-2/(x-2)