x^2-6/7x=36/49

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Solution for x^2-6/7x=36/49 equation: 


x in (-oo:+oo)

x^2-((6/7)*x) = 36/49 // - 36/49

x^2-((6/7)*x)-(36/49) = 0

x^2+(-6/7)*x-36/49 = 0

x^2-6/7*x-36/49 = 0

DELTA = (-6/7)^2-(-36/49*1*4)

DELTA = 180/49

DELTA > 0

x = ((180/49)^(1/2)+6/7)/(1*2) or x = (6/7-(180/49)^(1/2))/(1*2)

x = ((180/49)^(1/2)+6/7)/2 or x = (6/7-(180/49)^(1/2))/2

x in { (6/7-(180/49)^(1/2))/2, ((180/49)^(1/2)+6/7)/2 }

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