What the Polynomial Function of least degree with integral coefficients that has the given zeros.

1) 4, 3, 2
2) 2, -1, -4
3) 2, -5, -4
4) 5, -2, -1, -3
5) 0, -3, -1
6) 3, -1, 1, -5
7) -5, -3, 3, -4
8) -4, 0, -2, -1
9) -3, 4, 3
10) 2, 0, 4, 1
11) -3, 3, 5
12) -4, 5, 1

1) (x - 4)(x - 3)(x - 2)
2) (x - 2)(x + 1)(x + 4)
3) (x - 2)( x + 5)(x + 4)
4) x - 5)(x + 2)(x + 2)( x +1)( x + 3)
5) x(x + 3)(x + 1)
6) (x - 3)(x + 1)(x - 1)(x + 5)
7) x + 5)( x + 3)(x - 3)(x + 4)
8) x(x + 4)(x + 2)(x + 1)
9) (x + 3)(x - 4)(x - 3)
10) x(x - 2)(x - 4)(x - 1)
11) (x + 3)(x - 3)(x - 5)
12) (x + 4)(x - 5)( x - 1)