Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Resuelva esta ecuacion de 2ºgrado : 2·x^2+2·x=0: -1 y 0; -1, y -2; 1 y -2
Right answer summary: -1 y 0
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Resuelva esta ecuacion de 2ºgrado : 2·x^2+2·x=0: -1 y 0; -1, y -2; 1 y -2
Right answer summary: -1 y 0
Question state: todo