Expanding the expression, we get:
3y * 2y - 3y * 4 - 5 * 2y + 5 * 4 = 62
6y^2 - 12y - 10y + 20 = 62
6y^2 - 22y + 20 = 62
6y^2 - 22y - 42 = 0
Now we can solve this quadratic equation by factoring or using the quadratic formula.
3y-5 (2y-4) = 62
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