Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

Solve. (4-3i)(2+2i)

OpenStudy (anonymous):

\[i ^{2}=-1\] now foil (4-3i)(2+2i)

OpenStudy (anonymous):

8+8i-6i-6(-1)= 8+2i+6=14+2i

OpenStudy (anonymous):

thanks! so it's basically just the foil method?

OpenStudy (kc_kennylau):

yep :) and don't forget that \(i^2=-1\) :)

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!