2/5x7/2+4/5 - solution

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Solution for 2/5x7/2+4/5 equation:

x in (-oo:+oo)

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

1/5*x^7 = -4/5 // : 1/5

x^7 = -4

x^7 = -4 // ^ 1/7

x = -4^(1/7)

x = -4^(1/7)

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