Answer
$-\frac{1}{2}$
Work Step by Step
$\frac{3(-2)^{2} - 5}{-14}$ = $\frac{3(4) - 5}{-14}$ = $\frac{12 - 5}{-14}$ = $\frac{7}{-14}$ = $-\frac{1}{2}$
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