Is the operation method of dividing one polynomial by another polynomial. According to the relevant information, we know that the rule of dividing polynomials by polynomials is to divide two polynomials according to the steps of polynomial long division to get quotient and remainder. Polynomial divided by polynomial is to arrange dividend and divisor in descending order, then determine the first coefficient of quotient by comparing their highest terms, multiply this term by divisor to get a new polynomial, and then subtract dividend to get a new polynomial. At this point, repeat the above steps with the new polynomial as the dividend until the remainder is less than the divisor. Polynomial divided by polynomial is widely used in algebra, such as equation solving and function analysis.