(1-3x)^2 +3x -1 =0 .....

Question

(1-3x)^2 +3x -1 =0
.....

Answer 1

(1 - 3х)² + 3х - 1 = 0  
(3х - 1)² + (3х - 1) = 0 
(3х - 1) * (3х - 1 + 1) = 0 
(3х - 1) * 3х = 0 
3х - 1 = 0  и 3х = 0 
х₁ = 0 
х₂ = 1/3