4/5x2^2=20

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Solution for 4/5x2^2=20 equation: 


x in (-oo:+oo)

(4/5)*x^(2^2) = 20 // - 20

(4/5)*x^(2^2)-20 = 0

4/5*x^4 = 20 // : 4/5

x^4 = 25

x^4 = 25 // ^ 1/4

abs(x) = 25^(1/4)

x = 25^(1/4) or x = -25^(1/4)

x in { 25^(1/4), -25^(1/4) }

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