Question

add p ^ 2 qr + PQ ^ 2 r +pqr ^ 2 and -3 PQ^ 2 r -2pqr^ 2​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

p^2qr -2pq^2r -pq*r^2

Step-by-step explanation:

 p^2*q*r + pq^2*r + pq*r^2

+   0         -3pq^2*r -2pq*r^2

= p^2qr -2pq^2r -pq*r^2