Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Resuelva esta ecuacion de 2ºgrado incompleta: 9 [x squared]+(-72)=0: -2·2^(1/2) y 2·2^(1/2); -8 y 8; -2·2^(1/2) y 8
Right answer summary: -2·2^(1/2) y 2·2^(1/2)
Question state: todo