Posted by Helen on Friday, May 28, 2010 at 7:47pm.
I need help with these problem please.
X^2+6=15
(x+4)^2=6
can some one help me please.

algebra  Damon, Friday, May 28, 2010 at 7:53pm
x^2 + 6 = 15
x^2 = 9
x = +3 or x=3
x+4 = sqrt 6 or sqrt 6
x = 4 + sqrt 6
or
x = 4  sqrt 6