x^2+6/7x-27/49

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Solution for x^2+6/7x-27/49 equation: 


x in (-oo:+oo)

x^2+(6/7)*x-(27/49) = 0

x^2+(6/7)*x-27/49 = 0

x^2+6/7*x-27/49 = 0

DELTA = (6/7)^2-(-27/49*1*4)

DELTA = 144/49

DELTA > 0

x = ((144/49)^(1/2)-6/7)/(1*2) or x = (-(144/49)^(1/2)-6/7)/(1*2)

x = 3/7 or x = -9/7

x in { -9/7, 3/7 }

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