From $$ -2 b^{2}-4 $$, subtract $$ -b^{2}-5 $$

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To subtract $$ (-b^{2} - 5) $$ from $$ -2b^{2} - 4 $$, follow these steps:

1. **Write the expression:**
   $$
   (-2b^{2} - 4) - (-b^{2} - 5)
   $$

2. **Distribute the negative sign to the second polynomial:**
   $$
   -2b^{2} - 4 + b^{2} + 5
   $$

3. **Combine like terms:**
   - Combine the $$ b^{2} $$ terms:
     $$
     -2b^{2} + b^{2} = -b^{2}
     $$
   - Combine the constant terms:
     $$
     -4 + 5 = 1
     $$

4. **Write the simplified expression:**
   $$
   -b^{2} + 1
   $$
   
   Alternatively, it can be written as:
   $$
   1 - b^{2}
   $$

**Final Answer:**
$$
-b^{2} +\,1
$$
$$ -b^{2} + 1 $$

From \( -2 b^{2}-4 \), subtract \( -b^{2}-5 \)

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