substract 6p^3-8q^3+7pq from 7q^3-5p^3+3pq ?
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Answer:
15q^3-11p^3-4pq
Step-by-step explanation:
+7q^3 - 5p^3 + 4pq
-8q^3 +11p^3 + 7pq
+. - -
In substation + sign become - and - sign become + .
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