Respuesta:
Explicación paso a paso:
[tex]-3x^{3} +2x^{2} -12x+4x+9[/tex]
Para x = - 1
[tex]-3(-1)^{3} +2(-1)^{2} -12(-1)+4(-1)+9[/tex]
-3(-1) + 2(1) + 12 - 4 + 9
3 + 2 + 12 - 4 + 9
22
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Verified answer
Respuesta:
Explicación paso a paso:
[tex]-3x^{3} +2x^{2} -12x+4x+9[/tex]
Para x = - 1
[tex]-3(-1)^{3} +2(-1)^{2} -12(-1)+4(-1)+9[/tex]
-3(-1) + 2(1) + 12 - 4 + 9
3 + 2 + 12 - 4 + 9
22