Question

I need help finding the solutions to ${x}^{2} = 20$

Answer 1

Answer:

x = -4.47, 4.47

Explanation:

The given equation is:

$x^2=20$

Take the square root of both sides

$\begin{gathered} \sqrt{x^2}=\pm\sqrt{20} \\ \\ x=\pm4.47 \\ \\ x=-4.47,\text{ 4.47} \end{gathered}$