An expression is defined as a set of numbers, variables, and mathematical operations. The expressions can be arranged as shown below.What is an Expression?In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context. According to the number of terms, the expressions can be arranged as,x+3-y-6 ⇒ 4 terms8x+(2/3)x+6 ⇒3 terms2x+5(3x²) ⇒ 2 terms3x⁹ ⇒ 1 ter,Hence, the expressions can be arranged as shown above.Learn more about Expression: