Boyd Davey
10/07/2023 · Elementary School

Determinar el volon numerda de cada edas exgreciones alyebraicas por el do dieada de la variable. \( \mathrm{x}^{4}+13 x^{2}-23 x+49 \) fara \( x=-5 \).

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Para determinar el valor numérico de la expresión algebraica \( \mathrm{x}^{4}+13 x^{2}-23 x+49 \) cuando \( x = -5 \), simplemente sustituimos \( x \) por \(-5\) en la expresión y luego realizamos las operaciones. La expresión es: \[ \mathrm{x}^{4}+13 x^{2}-23 x+49 \] Sustituyendo \( x = -5 \): \[ (-5)^{4} + 13(-5)^{2} - 23(-5) + 49 \] Ahora calculamos cada término: 1. \( (-5)^{4} = 625 \) 2. \( 13(-5)^{2} = 13 \cdot 25 = 325 \) 3. \( -23(-5) = 115 \) 4. \( 49 \) es constante. Ahora sumamos todos los términos: \[ 625 + 325 + 115 + 49 \] Calculamos paso a paso: \[ 625 + 325 = 950 \] \[ 950 + 115 = 1065 \] \[ 1065 + 49 = 1114 \] Por lo tanto, el valor numérico de la expresión \( \mathrm{x}^{4}+13 x^{2}-23 x+49 \) cuando \( x = -5 \) es: \[ \boxed{1114} \]

Quick Answer

When \( x = -5 \), the expression \( \mathrm{x}^{4}+13 x^{2}-23 x+49 \) equals 1114.
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