Write an expression that is a binomial with a degree of 3. Explain your reasoning/steps. I need help ASAP

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the