x^7/5=-128

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Solution for x^7/5=-128 equation: 


x in (-oo:+oo)

(x^7)/5 = -128 // + 128

(x^7)/5+128 = 0

1/5*x^7 = -128 // : 1/5

x^7 = -640

x^7 = -640 // ^ 1/7

x = -2*5^(1/7)

x = -2*5^(1/7)

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