Answer:
4?
Step-by-step explanation:
1. Polynomials are closed under the operations of addition and substraction mean that:
If we add two polynomials, the result is still a polynomial (so still in the set of polynomials)
Also, If we subtract 2 polynomials, the result is a polynomial.
2. Example: given the polynomials :

and

Addition example:


Subtraction example:

=

=

So both M(x)+N(x) and N(x)-M(x) are polynomials
Answer:
bjrkhfjehrukfe
Step-by-step explanation:
rnfewklnfeklr
Answer:
-1/2
Step-by-step explanation:
the slope of a line that is perpendicular to a given equation of a line, is the negative reciprocal of the original slope
Answer:
the exact form is
but the decimal form is 12.124 :)))
Step-by-step explanation: