SOLUTION: (5-2i)(-5+2i) please help me solve this peoblem im confused

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: (5-2i)(-5+2i) please help me solve this peoblem im confused      Log On


   

Question 834449: (5-2i)(-5+2i) please help me solve this peoblem im confused
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the FOIL Method,
%285-2i%29%28-5%2B2i%29=-25%2B10i%2B10i-4i%5E2
%285-2i%29%28-5%2B2i%29=-25-4%28-1%29%2B20i
%285-2i%29%28-5%2B2i%29=-25%2B4%2B20i
%285-2i%29%28-5%2B2i%29=-21%2B20i