3y4 (2y + 1)(-3)
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(6y5 + 3y4)(-3)
= -18y5 - 9 y
3y(2y + 1)(x – 3)
3y (2y(x-3) +1(x-3)
= 3y(2xy -6y + x -3)
= 3xy2 - 18y2 + 3xy -9y
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