What is this math expression?

This appears to be a mathematical expression written in handwriting. Based on the visible characters, it looks like a part of a larger equation or expression. The visible components are:

• An opening parenthesis: (
• The letter x
• A minus sign: -
• The digit 9
• The digit 4
• A closing parenthesis: )
• A minus sign: -
• The letter m
• The digit 3
• The digit 2
• A multiplication sign (dot): ⋅
• The digit 5
• A minus sign: -
• A vertical bar, possibly indicating division or a part of a larger symbol.

Without more context, it's difficult to determine the exact mathematical operation or meaning. It could be part of a function, a coordinate, or a calculation.