|3х+1|+2в квадрате =8

Question

|3х+1|+2в квадрате =8

Answer 1

|3x+1|+2^2=8;
|3x+1|+4=8;
|3x+1|=4;
3x+1=4; 3x=3; x=1;
3x+1=-4; 3x=-5; x=-5/3; x=-1 2/3.