The sum of the given expression will be equal to 12 / 5x.
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.
The given expression is:-
[tex]=\dfrac{3}{5x}+\dfrac{9}{5x}[/tex]
[tex]= \dfrac{3+9}{5x}[/tex]
[tex]=\dfrac{12}{5x}[/tex]
Therefore the sum of the given expression will be equal to 12 / 5x.
To know more about Expression follow
https://brainly.com/question/723406
#SPJ2
