Question
Desarrolla la función \( f(x)=2(x- \) \( 10)(x+2) \) A. \( f(x)=2 x^{2}+16 x+40 \) B. \( f(x)=2 x^{2}-16 x-40 \) C. \( f(x)=-2 x^{2}+16 x+40 \) D. \( f(x)=-2 x^{2}-16 x-40 \)
Ask by Moreno Craig. in Mexico
Mar 12,2025
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Tutor-Verified Answer
Answer
La función desarrollada es \( f(x) = 2x^2 - 16x - 40 \), por lo que la respuesta correcta es **B**.
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The Deep Dive
Para desarrollar la función \( f(x) = 2(x-10)(x+2) \), comenzamos multiplicando los binomios: 1. Primero, multiplicamos \( (x-10)(x+2) \): \[ (x-10)(x+2) = x^2 + 2x - 10x - 20 = x^2 - 8x - 20 \] 2. Ahora, multiplicamos este resultado por 2: \[ f(x) = 2(x^2 - 8x - 20) = 2x^2 - 16x - 40 \] Por lo tanto, la respuesta correcta es: B. \( f(x) = 2x^2 - 16x - 40 \)