Complete the following reactions:
`CH_(3)-overset(CH_(3))overset(|)(CH)-COOH underset((ii)H_(2)O)overset((i)Br_(2)//"Red "P_(4))to`

Explanation

To complete the given reaction step by step, we will follow the provided information and the chemical transformations involved.

### Step 1: Identify the Reactant
The given reactant is `CH3-CH(CH3)-COOH`, which is 2-methylpropanoic acid.

### Step 2: Understand the Reaction Conditions
The reaction conditions provided are:
1. `Br2` in the presence of `Red P4` (which indicates a bromination reaction).
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