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OpenStudy (anonymous):
how do i simplify (-2+i)(-3-4i)?
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OpenStudy (anonymous):
multiply?
OpenStudy (anonymous):
10 + 5i
OpenStudy (anonymous):
Yea, basically you can use FOIL or any other method.
OpenStudy (anonymous):
do i do FOIL I tried that but didnt get the answer I expected
OpenStudy (anonymous):
thank you
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OpenStudy (anonymous):
DoomDude, we dont just post answeres here, we must give an explanation.
OpenStudy (anonymous):
Most help i've seen lol good job guys
OpenStudy (anonymous):
\[(a+bi)(c+di)=(ac-bd)+(ad+bc)i\]
OpenStudy (anonymous):
@goodman I am sorry, but I am not good at explanations, and if they need further help they can just say so.
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