4. Add the polynomials.
(a) 9pq, - 5p9, 3pq, - pq (b) 17a, - 3a, 6a, - 2a
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Answer:
(a) 9pq -5pq+3pq-pq
12pq-6pq=6pq
(b) 17a-3a+6a-2a+9a
32a-5a
27a answer
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