Polynomial division is the process of dividing one polynomial by another to find the quotient and the remainder. The division of polynomials is similar to the division of numbers, with the main difference being that in polynomial division, you are dividing one polynomial by another polynomial instead of dividing one number by another number.
The polynomial division is performed using the long division method or synthetic division. The process involves dividing the dividend polynomial by the divisor polynomial, producing a quotient polynomial and a remainder polynomial. The quotient polynomial represents the result of the division, while the remainder polynomial represents the part of the dividend that is left over after division.
For example, consider the division of the polynomial x^3 + 3x^2 + 2x + 6 by the polynomial x + 2. The long division method can be used to find the quotient polynomial x^2 + x - 2 and the remainder polynomial 0, so x^3 + 3x^2 + 2x + 6 = (x + 2)(x^2 + x - 2) + 0.