Question

4. multifly and fill in the blanks
a) - 7pr(pq-qr-rq)=​

Answer 1

Answer:

\begin{gathered}- 7 {p}^{2} rq \: + 7p q {r}^{2} \: + 7p {r}^{2} q \\ - 7 {p}^{2} rq + 17p {r}^{2} q\end{gathered}

−7p

2

rq+7pqr

2

+7pr

2

q

−7p

2

rq+17pr

2

q