Question

Is the difference of two polynomials always a polynomial? Explain.

Answer 1

luis we have to explain in all the 4 operations

Answer 2

I would use quadratic formula, because it works 100% of the time. This is prime, and I am unable to factor it.

Answer 3

what would be my answer in -ve or +ve

Answer 4

A sum of polynomials is a polynomial.
http://en.wikipedia.org/wiki/Polynomials#Elementary_properties_of_polynomials

Answer 5

what about the diference

Answer 6

If one polynomial is 2x - 1 and the second polynomial is 2x - 1, then

2x-1 - (2x-1) = 0.

Question: Is P(x) = 0 a polynomial?

Answer 7

Subtracting is simply adding the opposite so if the set is closed for addition, it is closed for subtraction.