Find the constant coefficient when the polynomial 3(x - 4) + 2(x^2 - x + 7) - 5(x - 1) + 8(x^2 - x + 3) - 4(x - 5) is simplified.
+874 $3(-4) + 2(7) - 5(-1) + 8(3) - 4(-5) = -12 + 14 + 5 + 24 + 20 = 51$
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