SOLUTION: please help me simplify ( 2+3i ) ( 2 - 3i )

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Question 92072This question is from textbook
: please help me simplify ( 2+3i ) ( 2 - 3i ) This question is from textbook

Found 2 solutions by Nate, funmath:
Answer by Nate(3500)   (Show Source): You can put this solution on YOUR website!
( 2 + 3i ) ( 2 - 3i )
4 + 6i - 6i - 9i^2
4 - 9(-1)
4 + 9
13
Answer by funmath(2933)   (Show Source): You can put this solution on YOUR website!
simplify ( 2+3i ) ( 2 - 3i )
FOIL


i^2=-1



Happy Calculating!!!
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