We obtain upper bounds of the complexity of linearized coverings for somespecial solutions of the equation
x1x2x3+x2x3x4+···+x3nx1x2+x1x3x5+x4x6x8+···+x3n−2x3nx2=b
over an arbitrary finite field.
We obtain upper bounds of the complexity of linearized coverings for somespecial solutions of the equation
x1x2x3+x2x3x4+···+x3nx1x2+x1x3x5+x4x6x8+···+x3n−2x3nx2=b
over an arbitrary finite field.