Adding and subtracting complex numbers
Collect real parts and imaginary parts separately.
- Add or subtract the real coefficients. Then do the same for the coefficients of
. - When subtracting a parenthesis, change both signs inside it.
Example 1
Subtract both terms
Simplify the expression.
Example 2
Fully simplify the expression.
Your turn
Question 1
Simplify.
Check answer
Question 2
Simplify.
Check answer
Question 3
Simplify.
Check answer
Question 4
Simplify.
Check answer
Question 5
Simplify.
Check answer
Simplify.
Simplify.
Simplify.
Simplify.
Simplify.