Lets work this out...
67 is the answer we have so 67 - 11=56 so 56+11= 67
sum: addition
so 67 is a sum
Ans:56 + 11 = 67
Answer:
(x+y)(x-y)
x^2 - xy + xy - y^2
x^2 - y^2
D.
Step-by-step explanation: