SOLUTION: (x+4)^2=9 what are the exact solutions

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Question 464985: (x+4)^2=9
what are the exact solutions
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
(x+4)2=9
x2+8x+16=9
x2+8x+7=0
(x+1)(x+7)=0
x=-1 or -7..