Alguien que me lo pueda shacer por favor estoy por rendir !at, y no entiendo​

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?

If g^-1(x) is the inverse of g (x) which statement must be true

Find two numbers if their sum is 91 and the ratio is 6: 7?