(5-27) = _ 19

To solve the given expression, we have:

\[ \frac{(5-27)^2}{(4-3)^2} \]

First, we simplify each part of the expression:

1. Calculate \( (5-27) \): \[ 5 - 27 = -22 \]

2. Square the result: \[ (-22)^2 = 484 \]

3. Calculate \( (4-3) \): \[ 4 - 3 = 1 \]

4. Square the result: \[ 1^2 = 1 \]

Now, divide the squared results: \[ \frac{484}{1} = 484 \]

So, the value of the expression is 484.