Write the expression in the form a + bi, where a and b are real numbers?

Question

(3 -5i) - (2 - 7i)

Answer 1

(3 - 5i) - (2 - 7i)

First, distribute the minus.

3 - 5i - 2 + 7i

Now, group like terms.

1 + 2i

Answer 2

1 + 2i