Find the sum of all the coefficients in the binomial expansion of `(x^2+x-3)^(319)dot`

Explanation

To find the sum of all the coefficients in the binomial expansion of \((x^2 + x - 3)^{319}\), we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Problem**: We need to find the sum of all coefficients in the expansion of \((x^2 + x - 3)^{319}\). The sum of the coefficients can be found by substituting \(x = 1\) into the expression.

2. **Substituting \(x = 1\)**:
\[
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