pasagot naman po pls yung matino
![Pasagot Naman Po Pls Yung Matino class=](https://ph-static.z-dn.net/files/da2/4eea5b6d4600d2ed4f88c4789d2bfd65.png)
Answer:
1. x = 10 or x = - 10
2. x = 11
3. x = 9
Computation: