subtract 4p^2-3pq+5pq^2-8p+7q-10 from 18-3p-11q+5pq-2pq^2+5p^2q
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Step-by-step explanation:
sign changes of every no of eq 1 and it becomes
-4p²q+3pq-5Pq²+8p-7q+10 now subtract this equation from 2nd
18-3p-11q+5pq-2pq²+5p²q
10+8p-7q+3pq-5pq² -4p²q
=28+5p-18q+8pq-7pq²+p²q
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