Could you please explain

find an equation for i, -i, -4, 1 = x as its solution

Jack is considering a list of features and fees for denver bank. jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements?

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Percent increase and decrease. original number: 45 new number: 18