Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ 4 \left( 25 + 5 x \right) - 4 \left( -6 x - 20 \right) = -2 \left( 14 + 4 x \right) $$
Right answer summary: -4
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ 4 \left( 25 + 5 x \right) - 4 \left( -6 x - 20 \right) = -2 \left( 14 + 4 x \right) $$
Right answer summary: -4
Question state: todo