6/5x^2-8.9x-54=0

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Solution for 6/5x^2-8.9x-54=0 equation: 


x in (-oo:+oo)

(6/5)*x^2-(8.9*x)-54 = 0

(6/5)*x^2-8.9*x-54 = 0

6/5*x^2-8.9*x-54 = 0

DELTA = (-8.9)^2-(-54*6/5*4)

DELTA = 8.9^2+1296/5

DELTA = 338.41

DELTA > 0

x = ((8.9^2+1296/5)^(1/2)+8.9)/(6/5*2) or x = (8.9-(8.9^2+1296/5)^(1/2))/(6/5*2)

x = 5/12*((8.9^2+1296/5)^(1/2)+8.9) or x = 5/12*(8.9-(8.9^2+1296/5)^(1/2))

x in { 5/12*(8.9-(8.9^2+1296/5)^(1/2)), 5/12*((8.9^2+1296/5)^(1/2)+8.9) }

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