Question

x elevado a 8 menos 3x elevado a 2 +3x -1

Answer 1

Sale (x-1)(x^7+x^3+x^5-2x+x^6+x^2+x^4+1)

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=x^8-3x^2+3x-1

=(x-1)(x^7+x^3+x^5-2x+x^6+x^2+x^4+1)