40x^4y^2/45x^7y^-8 - solution

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Solution for 40x^4y^2/45x^7y^-8 equation:

x in (-oo:+oo)

x^7*((40*x^4*y^2)/45)*y^-8 = 0

8/9*x^11*y^-6 = 0 // : 8/9*y^-6

x^11 = 0

x = 0

x = 0

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