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How do you solve $8 x^{2} = 56$ $8x^2 = 56$ ?

1 Answer

Jun 20, 2016

x = + - $\sqrt{7}$ $sqrt(7)$

Explanation:

$x^{2} = \frac{56}{8}$ $x^2 = 56 / 8$

$x = \sqrt{\frac{56}{8}}$ $x = sqrt(56/8)$

x = + - $\sqrt{7}$ $sqrt(7)$

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