The answer is B.
For an expression to be a polynomial term, any variables in the expression must have whole number powers.
-3/x isn’t a polynomial term because the variable is in the denominator.
Answer:
The given multiplied expression is

Step-by-step explanation:
Given expression is 
To find the multiplication of the given expression :

By using the distributive property to solve the given expression as below


( by using the property
)

Adding the like terms in the above expression we get

Therefore 
Therefore the given multiplied expression is

Answer:
substitution
Step-by-step explanation: