4x^(2/5)-28=0

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Solution for 4x^(2/5)-28=0 equation: 


x in (-oo:+oo)

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

4*x^(2/5) = 28 // : 4

x^(2/5) = 7

x^(2/5) = 7 // ^ 5

x^2 = 16807 // ^ 1/2

abs(x) = 49*7^(1/2)

x = 49*7^(1/2) or x = -(49*7^(1/2))

x in { 49*7^(1/2), -(49*7^(1/2)) }

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