Respuesta :
[tex] {p}^{2} q + {r}^{2} - pqr - pr \\ = pq(p - r) - r(p - r) \\ = (pq - r)(p - r)[/tex]
Answer:
(p - r)(pq - r)
Step-by-step explanation:
P = p²q + r² – pqr – pr
Rewrite the equation in descending orders of p and increasing orders of r.
P = p²q - pqr - pr + r²
Factor the first two and the last two terms
P = pq(p - r) - r(p - r)
Remove the common factor
P = (p - r)(pq - r)