Question

What is the value of (-7 + 3i) - (2 - 6i)

Answer 1

(-7+3i) - (2-6i)
= (-7 - 2) - (3i-61i)
= -9 - (-3i)
= -9 + 3i

Answer 2

-9+9i

Explanation:

(-7+3i)-(2-6i)

-(2-6i) really means -1 times (2-6i)

(-7+3i) -1 times 2-6i

(-7+3i) -2+6i

-7+3i - 2+6i

-9+9i