(i) 8p2 - 6p2q + 8q2,- 12p2 - 16p2q + 8pq2 + 9q2
12p
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Step-by-step explanation:
(8p² - 6p²q + 8q²) + (-16p²q + 8pq² + 9q² + 12p)
8p² - 6p²q + 8q² - 16p²q + 8pq² + 9q² + 12p
8p² - 6p²q - 16p²q + 8q² + 9q² + 8pq² + 12p
8p² - 22p²q + 17q² + 8pq² + 12p
i hope it helps you
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