14x^2-21x/7x

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Solution for 14x^2-21x/7x equation: 


x in (-oo:+oo)

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

14*x^2-3*x^2 = 0

11*x^2 = 0 // : 11

x^2 = 0

x = 0

x = 0

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