4x^(3/2)+5=21

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Solution for 4x^(3/2)+5=21 equation: 


D( x )

x < 0

x < 0

x in <0:+oo)

4*x^(3/2)+5 = 21 // - 21

4*x^(3/2)-21+5 = 0

4*x^(3/2) = 16 // : 4

x^(3/2) = 4

x^(3/2) = 4 // ^ 2

x^3 = 16 // ^ 1/3

x = 2*2^(1/3)

x = 2*2^(1/3)

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