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How do you solve $x^{2} = 16$ $x^2=16$ ?

1 Answer

Jul 19, 2015

$x = \pm 4$ $color(blue)(x=+-4$

Explanation:

$x^{2} = 16$ $x^2=16$

$x = \sqrt{16}$ $x=sqrt16$

$x = \pm 4$ $color(blue)(x=+-4$

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