Answer
$3y^2-2y-8$
Work Step by Step
Using the Distributive Property, the given expression, $
(y-2)(3y+4)
,$ is equivalent to
\begin{array}{l}\require{cancel}
y(3y)+y(4)-2(3y)-2(4)
\\\\=
3y^2+4y-6y-8
\\\\=
3y^2-2y-8
.\end{array}
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