5x^2-22x-15/25-x^2

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Solution for 5x^2-22x-15/25-x^2 equation: 


x in (-oo:+oo)

5*x^2-x^2-(22*x)-(15/25) = 0

5*x^2-x^2-22*x-3/5 = 0

4*x^2-22*x-3/5 = 0

DELTA = (-22)^2-(-3/5*4*4)

DELTA = 2468/5

DELTA > 0

x = ((2468/5)^(1/2)+22)/(2*4) or x = (22-(2468/5)^(1/2))/(2*4)

x = ((2468/5)^(1/2)+22)/8 or x = (22-(2468/5)^(1/2))/8

x in { (22-(2468/5)^(1/2))/8, ((2468/5)^(1/2)+22)/8 }

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