X + 4 -12 What is it?

Ineed i been stuck on this question since yesterday

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.

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2