Question 622744
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
(x + 4)^2 - 9 = 0   || Isolate the Squared Term
(x + 4)^2 = 9       ||  Taking the Square Root of both sides of the EQ
 (x + 4)  = ± 3
   x = -4 ± 3
   x = -7  or x = -1   (-7,0) and (-1,0) the x-intercepts of this Parabola
{{{drawing(300,300,   -20, 6, -10, 6,  grid(1),
circle(-7, 0,0.6),
circle(-1, 0,0.6),
circle(-4, -9,0.6),
graph( 300, 300, -20, 6, -10, 6,0,(x + 4)^2 - 9 ))}}}