The expression "3x2" represents a mathematical operation known as multiplication. In this case, it means that the number 3 is being added to itself 2 times. The result of this operation is 6, as 3 multiplied by 2 equals 6. Multiplication is one of the four basic arithmetic operations, alongside addition, subtraction, and division. It is often used in various fields, including science, engineering, and everyday calculations. Understanding multiplication helps in solving more complex mathematical problems and is a fundamental skill in mathematics education.