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Mathematics 11 Online
OpenStudy (poetryprincess):

If m(x) = x^2 + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)? A. 5x^3 + 9x^2 + 15x + 27 B. 25x^2 + 90x + 84 C. X^2 + 5x + 12 D. 5x^2 + 24

OpenStudy (bee_see):

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