X-7/7x^2-343

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Solution for X-7/7x^2-343 equation: 


x in (-oo:+oo)

X-((7/7)*x^2)-343 = 0

X-x^2-343 = 0

-1*x^2 = -(X-343) // : -1

x^2 = X-343

x^2 = X-343 // ^ 1/2

abs(x) = (X-343)^(1/2)

x = (X-343)^(1/2) or x = -(X-343)^(1/2)

x in { (X-343)^(1/2), -(X-343)^(1/2) }

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