Question

if equation of probola is given by p(x)=3x²-2x-4, then value of p(2) is
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Answer 1

$p(x) = {3x}^{2} - 2x - 4 \\ p(2) = {3x}^{2} - 2x - 4 \\ = 3 \times ( {2)}^{2} - 2 \times 2 - 4$

$= 3 \times 4 - 4 - 4 \\ = 3 \times ( - 4) \\ = - 12$