Write a polynomial Of least degree With roots zero and -3

What is the factored form of the following expressions? d^2 – 13d + 36

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Hi, can anyone show me how to do this problem? 100 points for this. in advance