-7p²q²+7p²q²+4pq+9pq+5+15
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Answered by
0
Answer:
13pq+20
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Answered by
3
Answer:
13pq+20
Step-by-step explanation:
-7p²q²+7p²q²+4pq+9pq+5+15
Both -7p²q² and 7p²q² cut off as they are like terms
Then add 4pq and 9pq together as they are like and
add 5 and 15 as they are constants
so answer will be 13pq+20
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