121/400x^2=81/25

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Solution for 121/400x^2=81/25 equation: 


x in (-oo:+oo)

(121/400)*x^2 = 81/25 // - 81/25

(121/400)*x^2-(81/25) = 0

(121/400)*x^2-81/25 = 0

121/400*x^2 = 81/25 // : 121/400

x^2 = 1296/121

x^2 = 1296/121 // ^ 1/2

abs(x) = 36/11

x = 36/11 or x = -36/11

x in { 36/11, -36/11 }

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