How do you solve $2 x^{2} - 11 = 0$ $2x^2 - 11 = 0$ ?

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Answer 1 · 2015-08-05T14:51:30

$x = \pm \sqrt{\frac{11}{2}}$ $x=+-sqrt(11/2)$

$2 x^{2} - 11 = 0$ $2x^2-11=0$

$\Rightarrow 2 x^{2} = 11$ $rArr 2x^2= 11$

$\Rightarrow x^{2} = \frac{11}{2}$ $rArr x^2 = 11/2$

$\Rightarrow x = \pm \sqrt{\frac{11}{2}}$ $rArr x = +-sqrt(11/2)$

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