x^2-7x+10/8-2x^2

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Solution for x^2-7x+10/8-2x^2 equation: 


x in (-oo:+oo)

x^2-(2*x^2)-(7*x)+10/8 = 0

x^2-2*x^2-7*x+10/8 = 0

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

DELTA = (-7)^2-(-1*5/4*4)

DELTA = 54

DELTA > 0

x = (54^(1/2)+7)/(-1*2) or x = (7-54^(1/2))/(-1*2)

x = (3*6^(1/2)+7)/(-2) or x = (7-3*6^(1/2))/(-2)

x in { (3*6^(1/2)+7)/(-2), (7-3*6^(1/2))/(-2) }

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