SOLUTION: use the quadratic formula to solve the equation -2X^2+6X+8=0

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Question 139448: use the quadratic formula to solve the equation
-2X^2+6X+8=0

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
-2X^2+6X+8=0

X=(-6+-SQRT[6^2-4*-2*8])/2*-2
X=(-6+-SQRT[36+64])/-4
X=(-6+-SQRT100)/-4
X=(-6+-10)/-4
X=(-6+10)/-4
X=4/-4
X=-1 ANSWER.
X=(-6-10)/-4
X=-16/-4
X=4 ANSWER.

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