How do you write the expression for "The sum of 19 and the cube of a number X"? Algebra Expressions, Equations, and Functions Expressions with One or More Variables 1 Answer GiĆ³ Jun 15, 2015 #19+x^3# Explanation: Sum is represented by #+#, while the cube is represented by #()^3# and describes the operation: #x^3=x*x*x# Answer link Related questions What is an example of an expression with one or more variables? How do you write expressions with one or more variables? How do you evaluate expressions when you have more than one variables? How do you evaluate the expression #3a+2b# for #a=1# and #b=-2#? How do you find the area of a triangle whose base is 2 inches and height is 4.5 inches? How do you find the volume of a sphere whose radius is 2? How do you evaluate the expression #2(x-y)# for #x=1# and #y=-2#? How do you evaluate #x^2+2x-1# when #x=2#? What is the value of #(3x+8y)/(x-2y)# if #x/(2y)=2#? How do you simplify #6-4t-4#? See all questions in Expressions with One or More Variables Impact of this question 5613 views around the world You can reuse this answer Creative Commons License