Question

Help me if you don't understand 7, leave it. Thanks!​

Answer 1

1. X = 5, square root of 25 is 5

Answer 2

1. x = 5,- 5
2. x = 8i , - 8i
3. x = 7 , - 7
4. x = √6 , - √6
5. x = 2√3 , -2√3
6. x = 2, - 2

7. x = 15 , -5