18-7/2+5x4 - solution

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Solution for 18-7/2+5x4 equation:

x in (-oo:+oo)

5*x^4-(7/2)+18 = 0

5*x^4-7/2+18 = 0

5*x^4 = -29/2 // : 5

x^4 = -29/10

x belongs to the empty set

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