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Evulate a^2 - b^2 if a=4 and b= -2
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Evulate a^2 - b^2 if a=4 and b= -2

User JoJoS
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6 votes

Answer:

20

Explanation:

4^2 = 16

-2^2 =-4

16 -(-4) =20

User Jbrtrnd
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