4.) -60i 5.) -294i 6.) -1 7.) -i 8.) i 9.) -8-10i 
+3i 19.) 
+
20.) 
+ 
21.) -1-i 
23.) ±i
24.) ±i
25.) ±i
26.) ±i
27.) ±4i Help me now plz now Show work
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