\(4\)

\begin{aligned}
-4(-3+2) &=-4(-1) \\
&=-4 \times -1 \\
&=4
\end{aligned}

\(-3\)

\begin{aligned}
-6-(-3) &=-6+3 \\
&=-3
\end{aligned}

\(-2\)

\begin{aligned}
(-5) \times(-2)+(-3) \times(4) &=10+-12 \\
&=-2
\end{aligned}

\(1\)

\begin{aligned}
-(-3-4)-6 &=-(-7)-6 \\
&=7-6 \\
&=1
\end{aligned}