Fuentes Ellis
02/17/2023 · Primary School
1) \( 4.2 x^{2}+27=244 \)
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Tutor-Verified Answer
Step-by-step Solution
Para resolver la ecuación \( 4.2 x^{2} + 27 = 244 \), primero restamos 27 de ambos lados:
\[
4.2 x^{2} = 244 - 27
\]
\[
4.2 x^{2} = 217
\]
Ahora, dividimos ambos lados entre 4.2:
\[
x^{2} = \frac{217}{4.2}
\]
Calculamos \( \frac{217}{4.2} \):
\[
x^{2} \approx 51.6667
\]
Ahora, tomamos la raíz cuadrada de ambos lados para encontrar \( x \):
\[
x \approx \pm \sqrt{51.6667}
\]
Calculando la raíz cuadrada:
\[
x \approx \pm 7.194
\]
Por lo tanto, las soluciones son:
\[
x \approx 7.194 \quad \text{y} \quad x \approx -7.194
\]
Quick Answer
Las soluciones son \( x \approx 7.194 \) y \( x \approx -7.194 \).
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