Answered

Join the conversation on IDNLearn.com and get the answers you seek from experts. Ask anything and receive well-informed answers from our community of experienced professionals.

```latex
\begin{tabular}{|l|l|}
\hline
[tex]$x^2 + 4$[/tex] & [tex]$x = 5$[/tex] \\
[tex]$3x^3 - 8$[/tex] & [tex]$x = 2$[/tex] \\
\hline
\end{tabular}
```

Sagot :

GinnyAnsweridn
Sure! Let's solve each expression step-by-step given the specified values for [tex]\( x \)[/tex].

First, we need to solve the expression [tex]\( x^2 + 4 \)[/tex] when [tex]\( x = 5 \)[/tex].

1. Start with the expression: [tex]\( x^2 + 4 \)[/tex]
2. Substitute [tex]\( x \)[/tex] with 5: [tex]\( 5^2 + 4 \)[/tex]
3. Calculate [tex]\( 5^2 \)[/tex]: [tex]\( 5^2 = 25 \)[/tex]
4. Add 4 to 25: [tex]\( 25 + 4 = 29 \)[/tex]

So, the value of [tex]\( x^2 + 4 \)[/tex] when [tex]\( x = 5 \)[/tex] is 29.

Next, let's solve the expression [tex]\( 3x^3 - 8 \)[/tex] when [tex]\( x = 2 \)[/tex].

1. Start with the expression: [tex]\( 3x^3 - 8 \)[/tex]
2. Substitute [tex]\( x \)[/tex] with 2: [tex]\( 3 \cdot 2^3 - 8 \)[/tex]
3. Calculate [tex]\( 2^3 \)[/tex]: [tex]\( 2^3 = 8 \)[/tex]
4. Multiply 3 by 8: [tex]\( 3 \cdot 8 = 24 \)[/tex]
5. Subtract 8 from 24: [tex]\( 24 - 8 = 16 \)[/tex]

So, the value of [tex]\( 3x^3 - 8 \)[/tex] when [tex]\( x = 2 \)[/tex] is 16.

Summarizing the results:
- For [tex]\( x = 5 \)[/tex], [tex]\( x^2 + 4 = 29 \)[/tex]
- For [tex]\( x = 2 \)[/tex], [tex]\( 3x^3 - 8 = 16 \)[/tex]

Thus, the values are 29 and 16, respectively.
We appreciate every question and answer you provide. Keep engaging and finding the best solutions. This community is the perfect place to learn and grow together. IDNLearn.com is your go-to source for accurate answers. Thanks for stopping by, and come back for more helpful information.