Express h (x) as a product of linear factors

Question

For the polynomial below, 3 and -2 are zeros.

h(x) x^4 + 5x^3 -8x^2 - 40x -24

Answer 1

h(x)=(x-3)(x+2)(x-c)(x-d)=(x-3)(x+2)(x-3-√(5))(x-3+√(5))

c=3 + √(5),d=3 - √(5)