Respuesta :
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
- [tex]5 {x}^{2} = 20[/tex]
- [tex] {x}^{2} = 20 \div 5[/tex]
- [tex] {x}^{2} = 4[/tex]
- [tex]x = \pm2[/tex]
Solution:
[tex]5 {x}^{2} = 20 \\ = > {x}^{2} = \frac{20}{5} \\ = > {x}^{2} = 4 \\ = > x = \sqrt{4} \\ = > x = \sqrt{2 \times 2} \\ = > x = \sqrt{ {2}^{2} } \\ = > x = ±2[/tex]
Answer:
±2