Respostas

2013-06-18T11:19:33-03:00

x(x²+3x-x-3)=>x(x²+2x-3)=>x³+2²-3x

x(x²+2x+1)=>x³+2x²+x

(x²-1)(x^4-x³-2x²+2x)=>(x^6-x^5-x^4+2x³-x^4+x³-2x²+2x)=>x^6-x^5-2x^4+3x³-2x²+2x

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