9x^2/16-25y^2/49

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Solution for 9x^2/16-25y^2/49 equation: 


x in (-oo:+oo)

(9*x^2)/16-((25*y^2)/49) = 0

(9*x^2)/16+(-25/49)*y^2 = 0

9/16*x^2 = -(-25/49*y^2) // : 9/16

x^2 = 400/441*y^2

x^2 = 400/441*y^2 // ^ 1/2

abs(x) = 20/21*y

x = 20/21*y or x = -(20/21*y)

x in { 20/21*y, -(20/21*y) }

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