Question

60/x = 60/x+10 + 3/10
Срочно

Answer 1

60/x = 60/(x+10) + 3/10

60(10х+100)-600х=3х²+30х

600х+6000-600х-3х²-30х=0

-3х²-30х+6000=0

х²+10х-2000=0

х=-50;  х=40.