Question

X^2+4=square root 13

Answer 1

`\large\boxed{x=-\sqrt{√(13)-4}}\ \vee\ x=\sqrt{√(13)-4}}`

Explanation:

`x^2+4=√(13)\qquad\text{subtract 4 from both sides}\\\\x^2+4-4=√(13)-4\\\\x^2=√(13)-4\Rightarrow x=-\sqrt{√(13)-4}}\ \vee\ x=\sqrt{√(13)-4}`