Solve the equation by completing the square. Round to the nearest hundredth if necessary. x^2 +9x  14 =0
Mathematics
hkochenower
Question
Solve the equation by completing the square. Round to the nearest hundredth if necessary. x^2 +9x  14 =0
1 Answer

1. User Answers texaschic101
x^2 + 9x  14 = 0
x^2 + 9x = 14
x^2 + 9x + 20.25 = 14 + 20.25
(x + 4.5)^2 = 34.25
x + 4.5 = (+) sqrt 34.25
x =  4.5 (+) 5.85
x = 4.5 + 5.85 = 1.35 <=
x = 4.5  5.85 = 10.35 <=