An example of an equation is
(1) 2x2 - 4x + 12 (3) 4(x + 6)(x - 2)
(2) |x - 6| (4) 2x = x2 + 3
An example of an equation is
(1) 2x2 - 4x + 12 (3) 4(x + 6)(x - 2)
(2) |x - 6| (4) 2x = x2 + 3