Question 18
When
$$
\left(x^{2}+2 x+2\right)^{2009}+\left(x^{2}-3 x-3\right)^{2009}
$$
is expanded, what is the sum of the coefficients of the terms with odd exponents of $x$?
$$
\left(x^{2}+2 x+2\right)^{2009}+\left(x^{2}-3 x-3\right)^{2009}
$$
is expanded, what is the sum of the coefficients of the terms with odd exponents of $x$?