25×2 - 121y2
This expression cannot be simplified further without knowing more information or a specific operation to perform on it.
To simplify the expression 25×2 - 121y2, let's break it down step by step:
Step 1: Simplify the square of 25.
25 × 2 - 121y2 becomes 50 - 121y2.
Step 2: Simplify the square of y.
The expression remains the same, so it becomes 50 - 121y2.
Therefore, the simplified expression is 50 - 121y2.