Question

решите уравнение 4х^2-12=0

Answer 1

$4 x^{2} -12=0$
$4( x^{2} -3)=0$
$4(x- \sqrt{3})*(x+ \sqrt{3)}=0$
$x_{1}= \sqrt{3}$
$x_{2}=- \sqrt{3}$