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Neko [114]
3 years ago
5

Perform the indicated operation and write in standard form 5i+(-9-i)

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
6 0
5i+(-9-i)=\\
5i-9-i=\\
-9+4i
antoniya [11.8K]3 years ago
3 0
Since the sign before the parentheses is a + , we can just remove the parentheses.

<span>5i + (-9 - i) = 5i - 9 - i = -<u>9 + 4i</u></span>


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