Question

if a = 2 and b = -2 find the value of a²-b²​

Answer 1

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0

Step-by-step explanation:

Given,

a=2 and b = -2

therefore, a²-b²=2²-(-2)²=4-4=0

Answer 2

Answer:

4+4= a²-b²=8

Step-by-step explanation:

--=+

+-=-

-+=-

b is -,so Its positive