7x^2-5y/(-5)(-2)

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Solution for 7x^2-5y/(-5)(-2) equation: 


x in (-oo:+oo)

7*x^2-(-2*((5*y)/(-5))) = 0

7*x^2-2*y = 0

7*x^2 = -(-2*y) // : 7

x^2 = (2*y)/7

x^2 = (2*y)/7 // ^ 1/2

abs(x) = (2^(1/2)*y^(1/2))/(7^(1/2))

x = (2^(1/2)*y^(1/2))/(7^(1/2)) or x = -((2^(1/2)*y^(1/2))/(7^(1/2)))

x in { (2^(1/2)*y^(1/2))/(7^(1/2)), -((2^(1/2)*y^(1/2))/(7^(1/2))) }

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