SOLUTION: -4x^2-9x-6=0 please help me solve this quadratic equation

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Question 664215: -4x^2-9x-6=0 please help me solve this quadratic equation
Answer by mananth(16946)   (Show Source): You can put this solution on YOUR website!

Divide by -1

factorize by completing the squares method

add (81/4) on both sides



take the square root
2x+(9/2) = +/- sqrt(-105/4)

2x= -(9/2) +/- sqrt(105)*i/2
x= (-9/4) +/- sqrt(105)*i/4





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