18(x/x+1)^2+15(x/x+1)-18

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Solution for 18(x/x+1)^2+15(x/x+1)-18 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

18*(x/x+1)^2+15*(x/x+1)-18 = 0

18*2^2+2*15-18 = 0

18*2^2+2*15-18 = 0

102-18 = 0

84 = 0

84 = 0

x belongs to the empty set

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