Question

p ^ 2 - 7pq - q ^ 2 * a * n * d - 3p ^ 2 - 2pq + 7q ^ 2
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Answer 1

Answer:

Required sum =(p2−7pq−q2)+(−3p2−2pq+7q2)

Rearranging and collecting like terms

=p2−3p2−7pq−2pq−q2+7q2 

=−2p2−9pq−6q2

Answer 2

Solution: Required sum =(p

2

−7pq−q

2

)+(−3p

2

−2pq+7q

2

)

Rearranging and collecting like terms

=p

2

−3p

2

−7pq−2pq−q

2

+7q

2

=−2p

2

−9pq−6q

2

Step-by-step explanation:

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