SOLUTION: Simplify the expression. (3 + i) - (2 - 2i) A. 1 + 3i B. 5 - i C. 4i D. -1 - 3i

Algebra ->  Expressions -> SOLUTION: Simplify the expression. (3 + i) - (2 - 2i) A. 1 + 3i B. 5 - i C. 4i D. -1 - 3i       Log On


   

Question 668999: Simplify the expression.
(3 + i) - (2 - 2i)
A. 1 + 3i
B. 5 - i
C. 4i
D. -1 - 3i
Found 3 solutions by jim_thompson5910, MathLover1, ewatrrr:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
(3 + i) - (2 - 2i)

3 + i - 2 + 2i

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

1 + 3i

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

%283+%2B+i%29+-+%282+-+2i%29
3+%2B+i+-+2+%2B2i
%283+-+2%29+%2B+%28i+%2B2i%29
1+%2B3i
so, the answer is:
A. 1+%2B+3i

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

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