SOLUTION: twelve more than one-half of the square of the input

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Question 907489: twelve more than one-half of the square of the input
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
let's the input be a number x

the square of a number is x%5E2
to get one-half of the square divide it by 2
so, you got x%5E2%2F2
twelve more means add 12
+x%5E2%2F2%2B12