Mathematics, 12.10.2019 00:30 ilovebeans25423

If m(x) = x2 + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)? 5x3 + 9x2 + 15x + 27 25x2 + 90x + 84 x2 + 5x + 12 5x2 + 24

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If m(x) = x2 + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)? 5x3 + 9x2 + 15x + 27...

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