SOLUTION: Use a graph to demonstrate the operation of these complex numbers: 1) (7-6i)+(-5-2i) 2) (5-9i)-(-3-12i) I have a test on these tomorrow so thank you for any help.

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Use a graph to demonstrate the operation of these complex numbers: 1) (7-6i)+(-5-2i) 2) (5-9i)-(-3-12i) I have a test on these tomorrow so thank you for any help.      Log On


   



Question 394199: Use a graph to demonstrate the operation of these complex numbers:
1) (7-6i)+(-5-2i)
2) (5-9i)-(-3-12i)
I have a test on these tomorrow so thank you for any help.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
1) (7-6i)+(-5-2i)
= (7-2)+(-6-2)i
= 5-8i
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2) (5-9i)-(-3-12i)
= (5--3)+(-9--12)
---
= 8+3i
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Cheers,
Stan H.