1.

From the sum of 5p2+6pq−7q2, 4pq+5q2 and 2p2−3pq subtract the sum of p2+3pq and 4pq+5q2.

Answer»

From the sum of 5p2+6pq7q2, 4pq+5q2 and 2p23pq subtract the sum of p2+3pq and 4pq+5q2.



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