(x^2-6x+9)^0,5+(x^2-2x+1)^0,5=4

(^2)^0.5 = ^(2*1/2) = ^1 ((x -3)²)^0.5 +((x -1)²)^0.5 =4 x -3 + x -1 =4 2x -4 =4 2x =4 +4 2x =8 x =4