What is the factor of x^2+8x+8 ?

Question

Thank you ! :)

Answer 1

didn't I just do this? http://www.jiskha.com/display.cgi?id=1410350888

Answer 2

start with...
x^2+8x+8=0

then
x^2+8x+8+8=8
x^2+8x+16=8
(x+4)^2=(2sqrt2)^2
x+4=+-2sqrt2
x= -4 +2sqrt2, and x=-4 -2sqrt 2
(x+4-2sqrt2)(x+4+2sqrt2)