Question

How to solve a polynomial equation of degree 3 for fractionl roots

Answer 1

Find all factors of constant of that polynomial
Then, by hit and trail method put one by one all the factors of constant at the place of x
When the answer came out to be 0 that will be a zero
The zero became a factor of polynomial
Divide the polynomial by the factor
A quadratic equation will come as remainder
Dolve that equation and u will get other 2 roots