Asked by ghenny
What is the factor of x^2+8x+8 ?
Thank you ! :)
Thank you ! :)
Answers
Answered by
bobpursley
didn't I just do this? http://www.jiskha.com/display.cgi?id=1410350888
Answered by
bobpursley
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)
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)
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