Đáp án:
Giải thích các bước giải:
`(x+2)/338+(x+3)/337+(x+4)/336+(x+5)/335+(x+360)/5=0`
`=>[(x+2)/338+1]+[(x+3)/337+1]+[(x+4)/336+1]+[(x+5)/335+1]+[(x+360)/5-4]=0`
`=>(x+340)/338+(x+340)/337+(x+340)/336+(x+340)/335+(x+340)/5=0`
`=>(x+340)(1/338+1/337+1/336+1/335+1/5)=0`
`=>x=-340`(vì `1/338+1/337+1/336+1/335+1/5>0)`