Question

Can someone help me.

Answer 1

`\large\boxed{x=\pm√(10)}`

Explanation:

`x^2=10\Rightarrow x=\pm√(10)\\\\\text{because}\ (-√(10))^2=10\ \text{and}\ (√(10))^2=10.\\\\\text{used}\ (√(a))^2=a`