18 - 3e - 3(6 - e), 3a2 + 7a - a(3a + 7), 6h - 4 - 2(3h - 2), 4w2 + 12tw - 4w(w + 3t), 2px + 10py - 2p(x + 5y), -6x3 - 42x2 + 48x - -6x(x2 + 7x - 8), 35m2 - 5mn - 15m - 5m(7m - n - 3), -30k + 12km - 18kn - -6k(5 - 2m + 3n),

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