7x^3-42x^2/7x^2

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Solution for 7x^3-42x^2/7x^2 equation: 


x in (-oo:+oo)

7*x^3-(((42*x^2)/7)*x^2) = 0

7*x^3-6*x^4 = 0

7*x^3-6*x^4 = 0

x^3*(7-6*x) = 0

7-6*x = 0 // - 7

-6*x = -7 // : -6

x = -7/(-6)

x = 7/6

x^3 = 0

1*x^3 = 0 // : 1

x^3 = 0

x = 0

x in { 7/6, 0 }

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