4x/2x-7-14/2x-7

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Solution for 4x/2x-7-14/2x-7 equation: 


x in (-oo:+oo)

((4*x)/2)*x-((14/2)*x)-7-7 = 0

((4*x)/2)*x-7*x-7-7 = 0

2*x^2-7*x-14 = 0

DELTA = (-7)^2-(-14*2*4)

DELTA = 161

DELTA > 0

x = (161^(1/2)+7)/(2*2) or x = (7-161^(1/2))/(2*2)

x = (161^(1/2)+7)/4 or x = (7-161^(1/2))/4

x in { (7-161^(1/2))/4, (161^(1/2)+7)/4 }

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