contestada

cual es el termino, coeficiente, constante y el factor de las siguientes expresiones
a. 12a^3 + 16a +4
b. 21x^2 + 3x - 15x^2 + 9

Respuesta :

If anybody is wondering, he is saying 
What is the term, coefficient, and constant factor of the following expressions. And you know the numbers. I don't speak Spanish btw.