factorise the following equation

680x3-1407x2-614x+285

where x2 x3 mean x to the power of

2 answers

Tell your instructor that this is an unrealistic question.

I finally ran it through a factoring program I have and that is how I got the following:

(5x+3)(8x-19)(17x-5)
i have a lot of maths HW and i don't understand how to Factorise??? Pleasea help me!