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Answer :

We have to evaluate this expression:

[tex]5(x-3)^2-7[/tex]

for x = 5.

We replace x with 5 and calculate:

[tex]\begin{gathered} 5(5-3)^2-7 \\ 5(2)^2-7 \\ 5(4)-7 \\ 20-7 \\ 13 \end{gathered}[/tex]

Answer: the expression has a value of 13 when x = 5.

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