X^2-2/7x-2/49=0

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Solution for X^2-2/7x-2/49=0 equation: 


x in (-oo:+oo)

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

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

X^2-2/7*x-2/49 = 0 // - X^2-2/49

-2/7*x = -(X^2-2/49) // : -2/7

x = (-(X^2-2/49))/(-2/7)

x = -7/2*(2/49-X^2)

x = -7/2*(2/49-X^2)

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