The caret symbol (^) in math is commonly used to denote exponentiation. For example, when you see an expression like x^2, it means x raised to the power of 2, or x squared. Similarly, 3^4 would mean 3 raised to the power of 4, which equals 81.
In the context of your example, the caret symbol is used to indicate exponents in the expression. For instance, x^2 means x squared, and 9x or x^9 would mean x raised to the power of 9. This notation helps in simplifying and solving mathematical expressions by clearly indicating the power to which a number or variable is raised.
Understanding the usage of the caret symbol is essential for working with algebraic expressions, solving equations, and performing various mathematical operations efficiently.