Question

Given the trinomial 3x2 − 6x + 5, what is the value of the discriminant?

Answer 1

$\bf \begin{array}{llcccll} & 3 x^2& -6 x& +5\\ &\uparrow &\uparrow &\uparrow \\ &a&b&c \end{array} \\\\\\ discriminant\implies b^2-4ac\implies (-6)^2-4(3)(5)$