Question

The value of (3+5i)(3-5i) is​

Answer 1

Answer:

(3+5i)(3-5i)

first we multiply both

9-25i^

9-25×-1

9+25

34

Answer 2

Answer:

9-25i^2

Step-by-step explanation:

• 3(3-5i)+5i(3-5i)
• 9-15i+15i-25i^2
• 9-25i^2

Thanks