Jariusbenjamin2
Jariusbenjamin2
14-10-2020
Mathematics
contestada
evulate a^2 - b^2 if a=4 and b= -2
Respuesta :
dresdenfairciald
dresdenfairciald
14-10-2020
Answer:
20
Step-by-step explanation:
4^2 = 16
-2^2 =-4
16 -(-4) =20
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