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8) \( (b+65)^{3}=(b+6 \)

Ask by Daniels Campbell. in Colombia
Feb 21,2025

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La solución de la ecuación \( (b+65)^{3}=(b+6) \) es aproximadamente \( b \approx -68.98 \).

Solution

Solve the equation(The complex numbers system) by following steps: - step0: Solve for \(b\) in the complex numbers system: \(\left(b+65\right)^{3}=b+6\) - step1: Move the expression to the left side: \(\left(b+65\right)^{3}-\left(b+6\right)=0\) - step2: Remove the parentheses: \(\left(b+65\right)^{3}-b-6=0\) - step3: Calculate: \(b^{3}+195b^{2}+12674b+274619=0\) - step4: Calculate: \(\begin{align}&b\approx -68.978607\\&b\approx -63.010697+3.297269i\\&b\approx -63.010697-3.297269i\end{align}\) - step5: Rewrite: \(b_{1}\approx -63.010697-3.297269i,b_{2}\approx -63.010697+3.297269i,b_{3}\approx -68.978607\) - step6: Remove the complex number(s): \(b\approx -68.978607\) Para resolver la ecuación \( (b+65)^{3}=(b+6) \), seguimos estos pasos: 1. **Identificar la ecuación**: La ecuación dada es \( (b+65)^{3}=(b+6) \). 2. **Resolver la ecuación**: Utilizamos métodos algebraicos para encontrar el valor de \( b \). Después de realizar los cálculos, encontramos que: \[ b \approx -68.978607 \] Por lo tanto, la solución de la ecuación es aproximadamente \( b \approx -68.98 \).

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The Deep Dive

To solve the equation \( (b+65)^{3} = (b+6) \), first note that this equates a cubic expression to a linear one. To find the value of \( b \), we can start simplifying it by expanding the left side. However, this can get quite complex, so another approach is to realize that cubic functions can have various intersections with linear functions. Graphing both sides would help visualize possible solutions more effectively. Another trick is to isolate \( b \) by substituting \( x = b + 6 \), simplifying the equation, and looking for roots. Remember to check for extraneous solutions after solving the cubic equation, as processes like cubing can introduce solutions that don't satisfy the original equation!

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