SOLUTION: need to solve by completing the square. 9x^2+27x-4=0

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Question 769821: need to solve by completing the square. 9x^2+27x-4=0
Answer by mananth(16946)   (Show Source): You can put this solution on YOUR website!

/9


Third term = (1/2 the co-efficient of second term)^2
=(1/2 *3)^2
=9/4



take square root
x+(3/2) = +/-sqrt(97)/6
x= -(3/2)+sqrt(97)/6 OR -(3/2)-sqrt(97)/6

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