I REALLY NEED HELP PLEASE :)

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Can you decompose the numbers 20,740,6,000