Question

Pls help!

Simplify the expression to a + bi form:
√4 + √−45 + √49 + √−45

Answer 1

Answer: 9+6i√5

Explanation:

√4 + √−45 + √49 + √−45

2 + √45i + 7 + √45i

9 + 3i√5 + 3i√5

9+6i√5