The general form of a quadratic expression is as follows [tex]f(x) = a {x}^{2} + bx + c[/tex]
Therefore, the given formula in general form would be: [tex]f(x) = 2x(x + 1)[/tex] [tex]f(x) = 2x \times x + 2x \times 1[/tex] [tex]f(x) = 2 {x}^{2} + 2x[/tex]
