Mills Hodges
11/12/2023 · Senior High School

19) Si \( 2 x=10, \Rightarrow x^{2}+3 x+18= \)

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Primero, resolvamos la ecuación \( 2x = 10 \) para encontrar el valor de \( x \). Dividimos ambos lados de la ecuación entre 2: \[ x = \frac{10}{2} = 5 \] Ahora que tenemos el valor de \( x \), sustituimos \( x = 5 \) en la expresión \( x^{2} + 3x + 18 \): \[ x^{2} + 3x + 18 = 5^{2} + 3(5) + 18 \] Calculamos cada término: \[ 5^{2} = 25 \] \[ 3(5) = 15 \] Ahora sumamos todos los términos: \[ 25 + 15 + 18 = 58 \] Por lo tanto, el resultado de \( x^{2} + 3x + 18 \) es \( 58 \).

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El resultado de \( x^{2} + 3x + 18 \) es \( 58 \).
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