Andrew M. answered 10/10/17
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
p(x)=x^4-5x^3+5x^2+5x-6
The possible rational roots are ± the roots of -6 ... the constant ...
over the roots of the coefficient of the variable of highest power .... 1
±{1, 2, 3, 6}/1 = {-1, 1, -2, 2, -3, 3, -6, 6}