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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Tutor-Verified Answer
Step-by-step Solution
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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