Evaluate the algebraic expression $6+3(x-7)^{2}$ for $x=9$
When $x=9,6+3(x-7)^{2}=$

Answer

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Answer

So, the final answer is $\boxed{18}$

Steps

Step 1 ：Substitute $x=9$ into the expression $6+3(x-7)^{2}$

Step 2 ：Calculate the value inside the parentheses: $9-7=2$

Step 3 ：Square the result: $2^{2}=4$

Step 4 ：Multiply by 3: $3*4=12$

Step 5 ：Add 6: $6+12=18$

Step 6 ：So, the final answer is $\boxed{18}$