Question

Найдите корни уравнения $frac{1}{5} x^{2} =12 frac{4}{5}$

Answer 1

x^2=64/5*5
x^2=64
x=+-8

Answer 2

$frac{1}{5}x^2=12 frac{4}{5}$
$frac{1}{5}x^2= frac{64}{5}$
$x^2= frac{64}{5}* frac{5}{1}$
$x^{2} =64$
$x= sqrt{64}$
$x_1=8$
$x_2=-8$