5(x^2-4/7)=50

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Solution for 5(x^2-4/7)=50 equation: 


x in (-oo:+oo)

5*(x^2-(4/7)) = 50 // - 50

5*(x^2-(4/7))-50 = 0

5*(x^2-4/7)-50 = 0

5*(x^2-4/7)-50 = 0

5*x^2-370/7 = 0

5*x^2-370/7 = 0

5*x^2 = 370/7 // : 5

x^2 = 74/7

x^2 = 74/7 // ^ 1/2

abs(x) = (74/7)^(1/2)

x = (74/7)^(1/2) or x = -(74/7)^(1/2)

x in { (74/7)^(1/2), -(74/7)^(1/2) }

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