amaliacat4
amaliacat4
18-05-2020
Mathematics
contestada
(7i)(3i) help please
Respuesta :
ahuacatitankevi
ahuacatitankevi
18-05-2020
Answer:
-21i
Step-by-step explanation:
[tex]i^{2}[/tex] = -1
7*3=21
21 x -1 = -21
Answer Link
rpulber59
rpulber59
18-05-2020
Answer:
-21
Step-by-step explanation:
Answer Link
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