Try to determine which set of digits ends product three consecutive natural numbers?

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

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)