$$3 x ^ { 2 } - 4 x - 2 , x = - 4$$
$y=62$
$$y=3\left(-4\right)^{2}-4\left(-4\right)-2$$
$$y=3\times 16-4\left(-4\right)-2$$
$$y=48-4\left(-4\right)-2$$
$$y=48+16-2$$
$$y=64-2$$
$$y=62$$
$$x=-4$$ $$y=62$$
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