PLEASE HELP

3 dozens = units

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?

How far could you drive on 50 gallons of gas

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract