(18x^4-16x^3)/2x^2

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Solution for (18x^4-16x^3)/2x^2 equation: 


x in (-oo:+oo)

x^2*((18*x^4-(16*x^3))/2) = 0

x^2*((18*x^4-16*x^3)/2) = 0

(x^2*(18*x^4-16*x^3))/2 = 0

18*x^4-16*x^3 = 0

2*x^3*(9*x-8) = 0

9*x-8 = 0 // + 8

9*x = 8 // : 9

x = 8/9

2*x^3*(x-8/9) = 0

(2*x^2*x^3*(x-8/9))/2 = 0

( 2*x^3 )

2*x^3 = 0 // : 2

x^3 = 0

x = 0

( x-8/9 )

x-8/9 = 0 // + 8/9

x = 8/9

( x^2 )

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x in { 0, 8/9, 0 }

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