Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: [Error converting from MathML to accessible text.]: [open parentheses 2 y squared minus y close parentheses open parentheses 2 y squared plus y close parentheses]; [open parentheses x to the power of 4 minus 4 close parentheses open parentheses x to the power of 4 plus 4 close parentheses]; [open parentheses 5 x y minus 4 z close parentheses squared]; [y squared open parentheses 2 y minus 1 close parentheses open parentheses 2 y plus 1 close parentheses]; [open parentheses 5 x y minus 4 z close parentheses open parentheses 5 x y plus 4 z close parentheses]; [open parentheses x plus square root of 2 close parentheses open parentheses x minus square root of 2 close parentheses open parentheses x squared plus 2 close parentheses open parentheses x to the power of 4 plus 4 close parentheses]
Right answer summary: [y squared open parentheses 2 y minus 1 close parentheses open parentheses 2 y plus 1 close parentheses]; [open parentheses 5 x y minus 4 z close parentheses open parentheses 5 x y plus 4 z close parentheses]; [open parentheses x plus square root of 2 close parentheses open parentheses x minus square root of 2 close parentheses open parentheses x squared plus 2 close parentheses open parentheses x to the power of 4 plus 4 close parentheses]
Question state: todo