Question

Resolva a equação 4x2−44=100

Answer 1

$4 x^{2} -44=100$
$4 x^{2} =100+44$
$4 x^{2} =144$
$x^{2} = \frac{144}{4}$
$x^{2} =36$
$x=+/- \sqrt{36}$
$x=+/-6$