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5w(3w-1) = 9w -3
15 w^2 -5w = 9w -3
15 w^2 -5w - 9w + 3 = 0
5w(3w-1) - 3(3w -1)= 0
(3w -1)= 0 or 5w -3 = 0
3w = 1 or 5w =3
w = 1/3 or w = 3/5
answers are
w = 1/3 , 3/5
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