Problems
Function - 1
Function - 1
Implement the function $f(x) = x^3 + 2 \cdot x^2 - 3$.
\InputFile
Each line contains one real number $x$.
\OutputFile
For each value of $x$, print the value of the function $f(x)$ on a separate line with four decimal places.
Input example #1
2.234 1 56 23.2
Output example #1
18.1309 0.0000 181885.0000 13560.6480