-8x^4+72x^5/12x^5

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Solution for -8x^4+72x^5/12x^5 equation: 


x in (-oo:+oo)

((72*x^5)/12)*x^5-8*x^4 = 0

6*x^10-8*x^4 = 0

2*x^4*(3*x^6-4) = 0

3*x^6 = 4 // : 3

x^6 = 4/3

x^6 = 4/3 // ^ 1/6

abs(x) = (4/3)^(1/6)

x = (4/3)^(1/6) or x = -(4/3)^(1/6)

2*x^4 = 0

2*x^4 = 0 // : 2

x^4 = 0

x = 0

x in { (4/3)^(1/6), -(4/3)^(1/6), 0 }

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