Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: [Simplify left parenthesis # straight a minus # straight b text italic i end text right parenthesis left parenthesis # straight c plus # straight d text italic i end text right parenthesis Use space the space " straight i " space in space the space equation space editor space for space your space answer.]
Right answer summary: The content can not be displayed.
Question state: todo