Solve for x
x\in \begin{bmatrix}-\sqrt{13},\sqrt{13}\end{bmatrix}
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x^{2}\leq \left(\sqrt{13}\right)^{2}
Calculate the square root of 13 and get \sqrt{13}. Rewrite 13 as \left(\sqrt{13}\right)^{2}.
|x|\leq \sqrt{13}
Inequality holds for |x|\leq \sqrt{13}.
x\in \begin{bmatrix}-\sqrt{13},\sqrt{13}\end{bmatrix}
Rewrite |x|\leq \sqrt{13} as x\in \left[-\sqrt{13},\sqrt{13}\right].
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