Lettervormen herleiden

Herleid de lettervormen

\(-2p+3p^2-2p\)

\(\begin{align} -2p+3p^2-2p&=-2.p+3.p^2-2.p\\&=-2.p-2.p+3.p^2\\&=-4p+3p^2\\\\ \end{align}\)