SOLUTION: Multiply (9+9i)(7+i)Can someone please help me with how to do the FOIL on this? I tried and got it messed up. Thanks for the Help :)

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Multiply (9+9i)(7+i)Can someone please help me with how to do the FOIL on this? I tried and got it messed up. Thanks for the Help :)      Log On


   



Question 747939: Multiply
(9+9i)(7+i)Can someone please help me with how to do the FOIL on this? I tried and got it messed up. Thanks for the Help :)

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
63+9i+63i+9i^2=
63+72i=9i^2