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5 + 6 - 32 = -21 negative 21 :)
53
x3 + 3x2 - 9x + 5 = 0 has roots of -5,1 and 1. CHECK : x3 + 3x2 - 9x + 5 = (x + 5)(x - 1)(x - 1)
(3x2)+5=11
(x + 1)(3x + 5)