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\[(8+2\imath )+(4+7\imath )\]
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(8+2*i)+(4+7*i)
(8+2*i)+(4+7*i)
(8+2i)+(4+7i)
1
Remove parentheses.
8
+
2
ı
+
4
+
7
ı
8+2\imath +4+7\imath
8
+
2
+
4
+
7
2
Collect like terms.
(
8
+
4
)
+
(
2
ı
+
7
ı
)
(8+4)+(2\imath +7\imath )
(
8
+
4
)
+
(
2
+
7
)
3
Simplify.
12
+
9
ı
12+9\imath
1
2
+
9
Done
12+9*IM
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