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Simplify (9 − 5i) − (4 + 10i). (1 point) −10 5 − 15i 5 + 5i 20

User Squazic
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2 Answers

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(9 -5i) - (4 +10i)

= 9 -5i -4 -10i

= 5 -15i
User ElFik
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8.9k points
0 votes

Answer:


5-15i

Explanation:

Simplify (9 − 5i) − (4 + 10i)


(9 - 5i) - (4 + 10i)

To subtract we multiply the negative sign inside the second parenthesis


9 - 5i - 4 - 10i

Now combine like terms


-5i-10i=-15i


9-4=5


(9 - 5i) - (4 + 10i)=-15i+5

We write it in a+ib form


5-15i

User Avnesh Shakya
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8.6k points