Find all rational zeros of the function:
ok i found the two zeros 2 and -3, now i dont know how to factor it please help i dont understand how to get the answear
Yes that's correct. Now factorise 25x^2-4. It's a difference of two squares.
You could also look at this page
(25x^4+25x^3-154x^2-4x+24)/(x^2+x-6) - Wolfram|Alpha