Sánchez Acevedo N, Segura C, Contreras LC, Sosa Guerrero L. Specialized knowledge of the mathematics teacher in the use of examples: Study on the nature of the solutions of the quadratic equation. Br. J. Ed., Tech. Soc. 2024;17(3):1171-1183. doi:10.14571/brajets.v17.n3.1171-1183