How to factor y= x^3-x^3-3x when the answer is y=(x-1)(x^2+3)

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

On the day a coffee shop first opened, it had 140 customers. 65% of the customers ordered a large coffee. how many customers ordered a large coffee? enter your answer in the box.