(2x^3-5x+4)(-3x^2)=-6x^5+15x^3-12x^2
(2x-5)(2x-5)-x(7x-13)+1=-3x^2-7x+26
Usando el teorema del resto
X=-2
3(-2)^2-2(-2)-8
3(4)+4-8
12-4
8
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Verified answer
(2x^3-5x+4)(-3x^2)=-6x^5+15x^3-12x^2
(2x-5)(2x-5)-x(7x-13)+1=-3x^2-7x+26
Usando el teorema del resto
X=-2
3(-2)^2-2(-2)-8
3(4)+4-8
12-4
8