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Formula
Solve the quadratic equation
Answer
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$$x ^ { 2 } = 8$$
$\begin{array} {l} x = 2 \sqrt{ 2 } \\ x = - 2 \sqrt{ 2 } \end{array}$
Solve quadratic equations using the square root
$\color{#FF6800}{ x } ^ { \color{#FF6800}{ 2 } } = \color{#FF6800}{ 8 }$
$ $ Solve quadratic equations using the square root $ $
$\color{#FF6800}{ x } = \pm \sqrt{ \color{#FF6800}{ 8 } }$
$\color{#FF6800}{ x } = \pm \sqrt{ \color{#FF6800}{ 8 } }$
$ $ Solve a solution to $ x$
$\color{#FF6800}{ x } = \pm \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } }$
$\color{#FF6800}{ x } = \pm \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } }$
$ $ Separate the answer $ $
$\begin{array} {l} \color{#FF6800}{ x } = \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \\ \color{#FF6800}{ x } = \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \end{array}$
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