SOLUTION: I am doing Imginary numbers in my Enriched Algebra II Class, the question is asking me to perform the indicated operation for (3 + 4i) + (-5 + 7i) I am just asking for a step by

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: I am doing Imginary numbers in my Enriched Algebra II Class, the question is asking me to perform the indicated operation for (3 + 4i) + (-5 + 7i) I am just asking for a step by      Log On


   



Question 844957: I am doing Imginary numbers in my Enriched Algebra II Class, the question is asking me to perform the indicated operation for (3 + 4i) + (-5 + 7i) I am just asking for a step by step solution for how to solve this problem, I am usually good at catching onto things but this is troubling for me. Thank you A lot!
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Combine like terms.
%283+%2B+4i%29+%2B+%28-5+%2B+7i%29=%283+%2B+%28-5%29%29+%2B+%284i+%2B+7i%29
%283+%2B+4i%29+%2B+%28-5+%2B+7i%29=%28-2%29+%2B+%2811i%29
%283+%2B+4i%29+%2B+%28-5+%2B+7i%29=-2%2B11i