Answer:
[tex]\large\boxed{x=-\sqrt{10}\ or\ x=\sqrt{10}}[/tex]
Step-by-step explanation:
[tex]x^2=10\iff x=\pm\sqrt{10}[/tex]
x= the square root of 10
When you do a number to a power of two you are creating a number that you could ask the square root of and you would end up with the same answer
