To express x to the power of 2, you simply write it as x2. This notation signifies that you are multiplying the variable x by itself. In other words, x2 = x × x.
This mathematical expression is referred to as ‘x squared’. It appears frequently in various fields of mathematics, including algebra and geometry. For instance, in the context of area calculation, if you have a square with a side length of x, the area of that square can be expressed as A = x2.
To visualize this, consider a square with each side measuring x. The area of the square, calculated by multiplying the length of one side by itself, gives you x times x, which is indeed x2. This concept of squaring numbers is fundamental in many mathematical calculations and can be used in various applications, from physics equations to statistical formulas.
So, whenever you encounter x2, you will understand that it represents the square of x, a key concept in mathematics!