Step-by-step explanation:
[tex] {4x}^{2} =12 \\ {4x}^{2} - 12 = 0[/tex]
it is in the standard form
[tex] {ax}^{2} + bx + c = 0[/tex]
where,
[tex]a = 4 \\ b = 0 \\ c = - 12[/tex]
