15x/2x-12x-(13x)2-15

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Solution for 15x/2x-12x-(13x)2-15 equation: 


x in (-oo:+oo)

((15*x)/2)*x-(13*x)^2-(12*x)-15 = 0

((15*x)/2)*x-(13*x)^2-12*x-15 = 0

13/2*x^2-12*x-15 = 0

DELTA = (-12)^2-(-15*4*13/2)

DELTA = 534

DELTA > 0

x = (534^(1/2)+12)/(2*13/2) or x = (12-534^(1/2))/(2*13/2)

x = (534^(1/2)+12)/13 or x = (12-534^(1/2))/13

x in { (12-534^(1/2))/13, (534^(1/2)+12)/13 }

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