https://wiewird.com/obtain-all-zeros-of-the-polynomials-px-x4-3x3-x-2-9x-6-if-two-of-its-zeros-are-3-and-3
Obtain all zeros of the polynomials p(x x4 3x3 x 2 9x 6 if two of its zeros are − 3 and 3)