Question

simplify
$pqr(p - r) - pqr(q - r) + pqr(q - p)$
​

Answer 1

Answer:

0

Step-by-step explanation:

pqr(p-r) - pqr(q-r) + pqr(q-p)

p²qr - pqr² - pq²r + pqr² + pq²r - p²qr

0

Answer 2

Step-by-step explanation:

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