Question

4 x квадрате минус 12 равно 0​

Answer 1

$4x {}^{2} - 12 = 0 \\ 4x {}^{2} = 12 \\ x {}^{2} = 3 \\ x _{1} = - \sqrt{3} \\ x _{2} = \sqrt{3}$

Answer 2

4x^2-12=0

D=0²-4*4*12=192

x1=(√192-0)/(2*4)=√3

x2=(-√192-0)/(2*4)=-√3