How many variable terms are in the expression 3x3y + 5x2 + y + 9? (input a numeric value only.) numerical answers expected! answer for blank 1:

3 Variables are

Step-by-step explanation:

Given : Expression

To find : How many variable terms are in the expression?

Solution :

In the expression a letter represents a variable.

In the variable is

In the variable is

In the variable is

In there is no variable.

i.e. In the expression there are three variables.

Variables are

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14