CPM Homework Help : A2C Problem 12-88

Find a polynomial function of degree four with roots: $x=−1,3,\pm\sqrt{5}$

Hint:

Use the roots and the Zero Product Property to write an equation in factored form, then simplify.

More Help:

$P\left(x\right) = \left(x + 1\right)\left(x − 3\right)\left(x^{2} − 5\right) = ?$