(1) 4pq- 17p2 -18q 2 from p2-2pq + 14q2
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Step-by-step explanation:
4pq- 17p2 -18q 2 from p2-2pq + 14q2
p2-2pq + 14q2 - (4pq- 17p2 -18q 2)
p2-2pq + 14q2 - 4pq+ 17p2 +18q 2
18p² +32q²-6pq
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