Реши уравнения

1. \(x(x+2)=6+x-x^2\) ;

2. \(2x-x^2-\dfrac{2-x}{3}=0\) ;

3. \(\dfrac{x(1-x)}{5}-\dfrac{1-x}{4}+\dfrac{x(x-1)}{10}=0\) .