sum of roots of quadratic equations

the sum of the roots of two quadratic equations are equal. if the roots of both the equations are integers, and the roots of the first equation are in the ratio 3:7, while the roots of second equation are in the ratio 2:3, what is the minimum possible difference in the product of the roots of the first equation and the products of the roots of the second equation?
A)15
B)30
C)3
D)12
E)0

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