Which rule was used to simplify this expression:
Which rule was used to simplify this expression:
Which rule was used to simplify this expression:
Which rule was used to simplify this expression:
Simplify completely:
Simplify
Simplify:
Which rules can be applied to simplify this expression (CHECK ALL THAT APPLY):
Which rules can be applied to simplify this expression (CHECK ALL THAT APPLY):
Use a RED mark to correct the student's mistake below.