21x^3-35x^2/7x

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Solution for 21x^3-35x^2/7x equation: 


x in (-oo:+oo)

21*x^3-(x*((35*x^2)/7)) = 0

21*x^3-5*x^3 = 0

16*x^3 = 0 // : 16

x^3 = 0

x = 0

x = 0

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