SOLUTION: complete the square x^2+10x+9=0
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Question 872208: complete the square x^2+10x+9=0
Found 2 solutions by ewatrrr, mananth:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
(x+5)^2 - 25 + 9 = 0
(x+5)^2 - 16 = 0
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
x^2+10x+9=0
x^2++10x+25 -25+9=0
(x+5)^2 = 16
take the square root
(x+5) = +/- 4
x = -5-4 OR -5+4
x = -9 OR -1
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