I need help Finding the value of x!!

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

How can constraints be used to model a real-world situation?