Correct. The absolute value of $\displaystyle-{2}{\left|{\left(-{2}\right)}\cdot{\left(-{1}\right)}\cdot{\left(-{4}\right)}\right|}+{3}{\left|-{4}\right|}=-{2}{\left|-{8}\right|}+{3}{\left|-{4}\right|}=-{2}\cdot{8}+{3}\cdot{4}=-{16}+{12}=-{4}.\usepackage{cmbright}\Huge\$