Simplify `(a^(2) - 8ab - 5) + (3ab - 4a^(2) + 8)`

Explanation

To simplify the expression \((a^{2} - 8ab - 5) + (3ab - 4a^{2} + 8)\), we will follow these steps:

### Step 1: Remove the parentheses
We start by rewriting the expression without the parentheses:
\[ a^{2} - 8ab - 5 + 3ab - 4a^{2} + 8 \]

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