9x^2/25-16y^2

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


x in (-oo:+oo)

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

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

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

x^2 = 400/9*y^2

x^2 = 400/9*y^2 // ^ 1/2

abs(x) = 20/3*y

x = 20/3*y or x = -(20/3*y)

x in { 20/3*y, -(20/3*y) }

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