B) \(|2x+0,5| - \frac{1}{3} = \frac{4}{5}\) c) \(\left( x^2 - \frac{1}{4} \right) \left( 2x + \frac{2}{5} \right) = 0\)

b) \(|2x+0,5| - \frac{1}{3} = \frac{4}{5}\)

c) \(\left( x^2 - \frac{1}{4} \right) \left( 2x + \frac{2}{5} \right) = 0\)