\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Calculate the scalar multiplication:
$$ -4\begin{pmatrix} 1 & -3 \\ 5 & 0 \end{pmatrix} = \begin{pmatrix}\input{14185}{}{3em}{2em}{}{} & \input{24185}{}{3em}{2em}{}{}\\ \input{34185}{}{3em}{2em}{}{} & \input{44185}{}{3em}{2em}{}{} \end{pmatrix}$$