S
susanu


1. [TEX]x^6 + 3x^5 - 6x^4 + 21x^3 - 6x^2 +3x + 1 =0[/TEX]
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2. [TEX](x+1)(x+2)(x+3)^2(x+4)(x+5)=360[/TEX]
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2. [TEX](x+1)(x+2)(x+3)^2(x+4)(x+5)=360[/TEX]