QUESTION IMAGE
Question
d the expression to a polynomial in standard form
$(3x - 4)(2x^2 - 5x - 5)$
Step1: Distribuir $3x$ en el trinomio
$3x \cdot 2x^2 + 3x \cdot (-5x) + 3x \cdot (-5)$
$= 6x^3 - 15x^2 - 15x$
Step2: Distribuir $-4$ en el trinomio
$-4 \cdot 2x^2 + (-4) \cdot (-5x) + (-4) \cdot (-5)$
$= -8x^2 + 20x + 20$
Step3: Sumar los resultados obtenidos
$6x^3 - 15x^2 - 15x - 8x^2 + 20x + 20$
Step4: Combinar términos semejantes
$6x^3 + (-15x^2 - 8x^2) + (-15x + 20x) + 20$
$= 6x^3 - 23x^2 + 5x + 20$
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$6x^3 - 23x^2 + 5x + 20$