使分式4/x^-4与3/(x^2+x-6)+2/(x^2+5x+6)的值相等的x等于( )A.-4 B.-3 C.1 D.10

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/20 11:02:37
使分式4/x^-4与3/(x^2+x-6)+2/(x^2+5x+6)的值相等的x等于( )A.-4 B.-3 C.1 D.10
x){wӎ{M+tM3ר3Ү56M+4jyڰv@ɮ{:t5Qp5Vp3Tp34I*ҧ`X_`gCk/\4ufH>5@XDh [\Bbǒv>l';g<ٽTBXH ]#*1XX!Qa uS-:F 1 /

使分式4/x^-4与3/(x^2+x-6)+2/(x^2+5x+6)的值相等的x等于( )A.-4 B.-3 C.1 D.10
使分式4/x^-4与3/(x^2+x-6)+2/(x^2+5x+6)的值相等的x等于( )
A.-4 B.-3 C.1 D.10

使分式4/x^-4与3/(x^2+x-6)+2/(x^2+5x+6)的值相等的x等于( )A.-4 B.-3 C.1 D.10
题目是不是应该是
4/(x^2-4)=3/(x^2+x-6)+2/(x^2+5x+6)
两边同时乘以(x+3)(x+2)(x-2)
4(x+3)=3(x+2)+2(x-2)
x=10
答案是D