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15 March, 01:55

Find the sum or difference (10p - 4q^2 - q) - (q^2 - 7p + 9p^2)

A) 9p^2 - 5q^2 + 17p - q

B) - 9p^2 - 3q^2 + 17p - q

C) - 9p^2 - 5q^2 + 17p - q

D) - 9p^2 - 5q^2 + 3p - q

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  1. 15 March, 01:59
    0
    C) - 9p^2 - 5q^2 + 17p - q

    Step-by-step explanation:

    (10p - 4q^2 - q) - (q^2 - 7p + 9p^2)

    10p - 4q^2 - q - q^2 + 7p - 9p^2

    10p + 7p - 4q^2 - q^2 - 9p^2 - q

    17p - 5q^2 - 9p^2 - q

    -9p^2 - 5q^2 + 17p - q
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