Question

Simplify the following expression:
Sqrt (-16) + sqrt(-25+5)

Answer 1

(4 + 2√5) i

Explanation:

√(-16) + √(-25 + 5)

√(-16) + √(-20)

4i + 2i√5

(4 + 2√5) i

Answer 2

the correct answer is 5+9i.

Explanation: