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2014-05-24T17:57:10+03:00
X^3+3x²+3x+1-9x-9 = (x²+4x+x+4)(x-2)
x^3+3x²-6x-8 = x^3-2x²+4x²-8x+x²-2x+4x-8
x^3+3x²-6x-8 = x^3+3x²-6x-8
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