28x=9x^(7/2)

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Solution for 28x=9x^(7/2) equation: 


D( x )

x < 0

x < 0

x in <0:+oo)

28*x = 9*x^(7/2) // - 9*x^(7/2)

28*x-(9*x^(7/2)) = 0

28*x-9*x^(7/2) = 0

28*x-9*x^(7/2) = 0

x*(28-9*x^(5/2)) = 0

-9*x^(5/2) = -28 // : -9

x^(5/2) = 28/9

x^(5/2) = 28/9 // ^ 2

x^5 = 784/81 // ^ 1/5

x = (784/81)^(1/5)

x = 0

x = 0

x in { (784/81)^(1/5), 0 }

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