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Simplify the expression:

[tex]169 - 9x^2[/tex]

Answer :

To solve the expression [tex]\(169 - 9x^2\)[/tex] for a specific value of [tex]\(x\)[/tex], you follow these steps:

1. Identify the expression you need to evaluate: [tex]\(169 - 9x^2\)[/tex].

2. Substitute the given value of [tex]\(x\)[/tex] into the expression. In this case, we'll use [tex]\(x = 5\)[/tex].

3. Calculate the square of the substituted value:
[tex]\[
x^2 = 5^2 = 25
\][/tex]

4. Multiply the result by 9:
[tex]\[
9 \times 25 = 225
\][/tex]

5. Subtract this result from 169:
[tex]\[
169 - 225 = -56
\][/tex]

Therefore, when [tex]\(x = 5\)[/tex], the value of the expression [tex]\(169 - 9x^2\)[/tex] is [tex]\(-56\)[/tex].

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