Question

(p^2-7pq-q^2)+(-3p^2-2pq+7q^2)

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Answer 1

-2p² - 9pq + 6q²

Explanation:

Add the like terms

p² + - 3p² = -2p²

-7pq + - 2pq = -9pq

-q² + 7q² = 6q²