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How do you solve $m^{2} + 7 = 88$ $m^2+7=88$ ?

1 Answer

Jan 22, 2017

$m = \pm 9$ $m=+-9$

Explanation:

$m^{2} + 7 = 88$ $m^2+7=88$

$m^{2} = 81$ $m^2=81$

$m = \sqrt{81} = \pm 9$ $m=sqrt81 = +-9$

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