Answer:
Explanation:
If a =3 and ab =6 then a²-b² =
a = 3
ab = 6
find b
b = 6:3 = 2
-------------------
3² - 2² =
9 - 4 =
5
so b must be 2
3 squared is 9 and 2 squared is 4
so 9 - 4 is equal to 5
4.5m questions
5.8m answers