25x^2-49/20x^2-8x-28

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Solution for 25x^2-49/20x^2-8x-28 equation: 


x in (-oo:+oo)

25*x^2-((49/20)*x^2)-(8*x)-28 = 0

25*x^2+(-49/20)*x^2-8*x-28 = 0

451/20*x^2-8*x-28 = 0

DELTA = (-8)^2-(-28*4*451/20)

DELTA = 12948/5

DELTA > 0

x = ((12948/5)^(1/2)+8)/(2*451/20) or x = (8-(12948/5)^(1/2))/(2*451/20)

x = 10/451*((12948/5)^(1/2)+8) or x = 10/451*(8-(12948/5)^(1/2))

x in { 10/451*(8-(12948/5)^(1/2)), 10/451*((12948/5)^(1/2)+8) }

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