How do you solve $2x^2 = 242$ ?

Mar 29, 2018

$x =+-11$

First a fall we have to divide $242$ by $2$ then we have to do under root of $121$ .

$2x^2=242$
$=>x^2=242/2=121$
$=>x=+-sqrt121$
$=>x=+-11$

:-)

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