(3 + i) - (2 - 2i)
A. 1 + 3i
B. 5 - i
C. 4i
D. -1 - 3i

May someone please explain step by step how to solve this... I used the FOIL method but either I used it incorrectly

Question

(3 + i) - (2 - 2i)
  A. 1 + 3i 	
  B. 5 - i 	
  C. 4i 	
  D. -1 - 3i

May someone please explain step by step how to solve this... I used the FOIL method but either I used it incorrectly

anonymous · Answer

Or I solved the problem wrong...

anonymous · Answer

(3+ i) -2 + 2i
1 + 3i

smored · Answer

FOIL doesn't work because it is not a multiplication of two binomials, it is actually a subtraction.
(3 + i) - (2 - 2i) is equal to
3+i-2+2i since  - (2 - 2i) = -2+2i
so 1+3i

anonymous · Answer

attachment

anonymous · Answer

Thank you both... can one of you give the other a medal and I'll give the one that gave the other person a medal a medal please? Lol you both deserve a medal. Thank youu.

anonymous · Answer

well @smored do you mind giving dalia a medal? I'll just give it to you since you're here