Subtract 7xy-1+x^2y^2+2y^2 -8xy2 from 9x^2y^2 - 6xy^2 + xy +5-x^2

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.