look for easy roots first: 1,2,3,5,6
A little synthetic division shows that
P(x) = (x-5)(x^2+3x+6)
and you can do the quadratic as usual
Find all zeros of the polynomial
P(x)=x^3 - 2 x^2 - 9 x - 30.
1 answer
P(x)=x^3 - 2 x^2 - 9 x - 30.
1 answer