8^2=9(12/3x2)-7

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Solution for 8^2=9(12/3x2)-7 equation: 


x in (-oo:+oo)

8^2 = 9*(12/3)*x^2-7 // - 9*(12/3)*x^2-7

8^2-(9*(12/3)*x^2)+7 = 0

8^2-36*x^2+7 = 0

-36*x^2 = -71 // : -36

x^2 = 71/36

x^2 = 71/36 // ^ 1/2

abs(x) = (71/36)^(1/2)

x = (71/36)^(1/2) or x = -(71/36)^(1/2)

x in { (71/36)^(1/2), -(71/36)^(1/2) }

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