Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros.

3, 4+2i, 1+(sqrt)7

The answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360

What am I doing wrong?

Write a polynomial function f of least degree that has rational coefficients a leading coefficient of 1 and the given zeros 3 42i 1sqrt7 The answer is supposed class=