Jacob is 12 years younger than twice elizabeth age jacob is 28 how old is elizabeth

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?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6