Can someone explain rank factorization and how to carry it out with an example?

https://www.carnegielearning.com/apps/k12/6.20.15/sap/#/tutor/58?configUrl=https:%2F%2Fwww.carnegielearnin... A MATHia® Synthetic Division Unit Overview Step-by-Step Sample Problem Hints Use synthetic division to divide the two polynomials. Synthetic Division Table 3z-3 ) 15z5-21z4+18z³ - 212²- -6z+15 1 5 -7 Is the divisor given in (x - r) form? No What do you need to multiply the divisor by to get a coefficient of 1? How many terms are in the dividend? 6 Enter the quotient and remainder. Remainder Quotient Problem: sd033 Client Version: 6.20.15 Server Version: 6.20.15 1 3 6 Home Systems Help -7 ©2021 Carnegie Lea

How do factorials work?

I just need a refresher what is a binomial