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Urgent! Please view photo for full question. Which expression is equivalent to (7+4i)+(8+i) ( 7 + 4 i ) + ( 8 + i ) ? 15−5i 15 − 5 i 5+0i 5 + 0 i 15+5i ​ 15 + 5 i 20+0i

Urgent! Please view photo for full question. Which expression is equivalent to (7+4i)+(8+i) ( 7 + 4 i ) + ( 8 + i ) ? 15−5i 15 − 5 i 5+0i 5 + 0 i 15+5i ​ 15 + 5 i 20+0i
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2 votes
Urgent! Please view photo for full question.

Which expression is equivalent to (7+4i)+(8+i)
(
7
+
4
i
)
+
(
8
+
i
)
?

15−5i
15
−
5
i
5+0i
5
+
0
i
15+5i
​
15
+
5
i
20+0i

Urgent! Please view photo for full question. Which expression is equivalent to (7+4i-example-1
asked
User Just Some Guy
by
8.5k points

1 Answer

6 votes

Simplify

7 + 4i + 8 + i

Collect like terms

(7 + 8) + (4i + i)

Simplify

C. 15 + 5i

answered
User Mark Maxham
by
7.9k points
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