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b.) -2 (3p - q - 4) = -6p + 2q + 8
c.) (m + 2n)(3m + 5) = 3m² + 5m + 6mn + 10n
d.) (3x - 4y)(2y - 7) = 6xy - 21x - 8y² + 28y
= -8y² + 6xy - 21x + 28y
e.) 4(2p + 3) = 8p + 12
f.) 2x (3x - 4) = 6x² - 8x
g.) (3a + 1)(4b - 2) = 12ab - 6a + 4b - 2
h.) (2p + 3)(4P - 5) = 8p² - 10p + 12p - 15
= 8p² + 2p - 15
i.) (3x + 2)(x - 4y + 1) = 3x² - 12xy + 3x + 2x - 8y + 2
= 3x² - 12xy + 5x - 8y + 2
j.) (p - 5)(2p + 3q - 4) = 2p² + 3pq - 4p - 10p - 15q + 20
= 2p² + 3pq - 14p - 15q + 20
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