Respuesta :
Answer:
a is the answer as it has 2 constant terms in 3 variables
Step-by-step explanation:
constant means a no. (it doesnt changes)
ex. 2 , 7 etc
variable means a term (generally a letter) which changes, its value will differ.
in the equation you have given both have only 2 variables
have you posted all the options?
GOOD LUCK FOR THE FUTURE! :)