3x^2-7x-20/16-x^2

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Solution for 3x^2-7x-20/16-x^2 equation: 


x in (-oo:+oo)

3*x^2-x^2-(7*x)-(20/16) = 0

3*x^2-x^2-7*x-5/4 = 0

2*x^2-7*x-5/4 = 0

DELTA = (-7)^2-(-5/4*2*4)

DELTA = 59

DELTA > 0

x = (59^(1/2)+7)/(2*2) or x = (7-59^(1/2))/(2*2)

x = (59^(1/2)+7)/4 or x = (7-59^(1/2))/4

x in { (7-59^(1/2))/4, (59^(1/2)+7)/4 }

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