x^2=100-25y^2/4

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Solution for x^2=100-25y^2/4 equation: 


x in (-oo:+oo)

x^2 = 100-((25*y^2)/4) // - 100-((25*y^2)/4)

x^2+(25*y^2)/4-100 = 0

1*x^2 = -(25/4*y^2-100) // : 1

x^2 = 100-(25/4*y^2)

x^2 = 100-25/4*y^2 // ^ 1/2

abs(x) = (100-25/4*y^2)^(1/2)

x = (100-25/4*y^2)^(1/2) or x = -(100-25/4*y^2)^(1/2)

x in { (100-25/4*y^2)^(1/2), -(100-25/4*y^2)^(1/2) }

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