Answer
$-\dfrac{19}{2}$
Work Step by Step
Using order of operations, the given expression, $
\dfrac{(4^2-4)-(-1)7}{4+(-6)}
,$ simplifies to
\begin{array}{l}\require{cancel}
\dfrac{(16-4)-(-7)}{4-6}
\\\\=
\dfrac{12+7}{4-6}
\\\\=
\dfrac{19}{-2}
\\\\=
-\dfrac{19}{2}
.\end{array}
