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To simplify the expression \((3x^2 - 2) + (11 - 5x)\), you combine like terms. Here’s how you do it step-by-step:
1. First, distribute the terms:
\[
3x^2 - 2 + 11 - 5x
\]
2. Next, combine the constants and the like terms:
\[
3x^2 - 5x + (-2 + 11)
\]
which simplifies to:
\[
3x^2 - 5x + 9
\]
So, the simplified expression is:
\[
\boxed{3x^2 - 5x + 9}
\]