The figure below is dilated with the center of dilation at the origin and a scale factor of and then rotated 180° counterclockwise. What are the coordinates of the image
of point X after these transformations?

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?