Solve the following equation in the complex number system

x^4+x^3+4x^2+10x-60=0

2 answers

hint

x = 2 and x = -3 are roots
so either do long division by x-2 and x+3
to get a quadratic or do it by synthetic division.

Solve that quadratic using the formula.
so what would my equation be to figure this question out?