x2, or "x squared"
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9 x 9
2 x 2 x 2 x 2 x 2 = 32
10.392304845413263761164678049035
x multiplied by itself.
In mathematics, when a number is multiplied by itself, it is referred to as squaring that number. When you multiply x by x, you are essentially combining two equal factors, resulting in x squared. This is because the exponent of 2 indicates that the base, in this case x, is being multiplied by itself twice, which is denoted as x^2 or x squared. This property is fundamental in algebra and is used to simplify expressions and solve equations.