SOLUTION: I have an algebra II quiz on complex numbers and im not sure if i understand any of it... this is a problem I attempted to work on but im not sure if I am doing the right things

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Question 239677: I have an algebra II quiz on complex numbers and im not sure if i understand any of it...
this is a problem I attempted to work on but im not sure if I am doing the right things in order to solve it out.
heres the equation/problem:
(2+3i) + (7+i)
14+3i2<---( i squared)
14-3
Answer: 11



Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
(2+3i) + (7+i)
:
Not sure what you are doing here
It's plus, (not multiply) so just remove the brackets and add like terms:
2 + 3i + 7 + i
group like terms
2 + 7 + 3i + i
9 + 4i