I need help with this

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?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Solve for x and select the correct answer