Question

Can someone check my work?
1. Simplify the given expression.
(7 − 3i) • (2 − i)
4 + i (MY ANSWER)

14 + 3i

11 − 13i

14 − 10i
2. Simplify the given expression.
(−5 + 3i) • (1 − 2i)
−5 − 6i (MY ANSWER)

1 + 13i

2 + i

4 − 5i
3. Simplify the given expression.
(1 + 3i) + (2 − 5i)

−1 − 2i

3 − 2i (MY ANSWER)

4 − 3i

5 + 6i
4. Simplify the given expression.
(6 + 2i) − (8 − 3i)

−2 + 5i (MY ANSWER)

−2 − i

8 + 5i

8 − 5i