Answer:
El resultado eres: 
Step-by-step explanation:
Se dan las siguientes funciones


Cuál es el resultado de R(x) + S(x) ?
Se soman los fatores en comun. Entonces:

El resultado eres: 
After putting the value of y from the second equation to the first equation, the resultant equation is
.
GIven:
The equations are:

It is required to put the value of y from second equation to the first equation.
<h3>How to solve equations?</h3>
The value of y from the second equation is,

Now, put this value of y in the first equation as,

Therefore, after putting the value of y from the second equation to the first equation, the resultant equation is
.
For more details about equations, refer to the link:
brainly.com/question/2263981
Factor out 3x
Answer: 3x(x - 5)
Answer:
A.
Step-by-step explanation: