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Quotient: 2x3-x2-14x+42 Remainder: -131 over (x+3)
Plus 3.
2/3 + 2/12 = [ 2x4 + 2 ]/12 = 10/12 = 5/6
2x4 - 9x3 + 13x2 - 15x + 9 = 2x4 - 6x3 - 3x3 + 9x2 + 4x2 - 12x - 3x + 9 = 2x3(x - 3) - 3x2(x - 3) + 4x(x - 3) - 3(x - 3) = (x - 3)*(2x3 - 3x2 + 4x - 3) So the quotient is (2x3 - 3x2 + 4x - 3) and the remainder is 0.
-3