Operations with Complex Numbers

What is the simplified form of

(-9 + 5i) + (3 -2i)

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

• 1

• i

• 1 + i

-5(2 + 3i)

• -10+3i

• -10-3i

• -10-15i

• -10

2i(3 + i) = ?

• 2 + 6i

• -2 + 6i

• -2 - 6i

• 2 - 6i

(5 + 2i) + (4 - 5i) = ?

• 9 - 3i

• 9 + 7i

• 9 -7i

• 9 - 10i