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.

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.Com

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

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