What is the standard form of the equation?
y=(x+2)^2-3
Ay=x^2+4x-3
By=x^2+4x+7
Cy=x^2+4x+1
Dy=x^2+4x-3
y=(x+2)^2-3
Ay=x^2+4x-3
By=x^2+4x+7
Cy=x^2+4x+1
Dy=x^2+4x-3