Question

f(x)=2x(x+1) write in general form

Answer 1

The general form of a quadratic expression is as follows
$f(x) = a {x}^{2} + bx + c$

Therefore, the given formula in general form would be:
$f(x) = 2x(x + 1)$
$f(x) = 2x \times x + 2x \times 1$
$f(x) = 2 {x}^{2} + 2x$