x^2+8/7x+16/49=169/49

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Solution for x^2+8/7x+16/49=169/49 equation: 


x in (-oo:+oo)

x^2+(8/7)*x+16/49 = 169/49 // - 169/49

x^2+(8/7)*x+16/49-(169/49) = 0

x^2+(8/7)*x+16/49-169/49 = 0

x^2+8/7*x-153/49 = 0

DELTA = (8/7)^2-(-153/49*1*4)

DELTA = 676/49

DELTA > 0

x = ((676/49)^(1/2)-8/7)/(1*2) or x = (-(676/49)^(1/2)-8/7)/(1*2)

x = 9/7 or x = -17/7

x in { -17/7, 9/7 }

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