Question

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Answer 1

Answer:

pq + 2pr - 3$q^{2}$

Step-by-step explanation:

3q ( p - q ) - { 2p ( q - r ) }

3pq - 3$q^{2}$ - { 2pq - 2pr}

3pq - 3$q^{2}$ - 2pq + 2pr

pq + 2pr - 3$q^{2}$

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