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Question
perform the operation. \\((-3x^2 + 3x - 8) + (6x^2 - 4x)\\)
Step1: Eliminar paréntesis
$(-3x^2 + 3x - 8) + (6x^2 - 4x) = -3x^2 + 3x - 8 + 6x^2 - 4x$
Step2: Combinar términos semejantes
Para $x^2$: $-3x^2 + 6x^2 = 3x^2$
Para $x$: $3x - 4x = -x$
Término constante: $-8$
Entonces, $3x^2 - x - 8$
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$3x^2 - x - 8$