Question is in pic ​

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Which function has the domain x> -11

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.