Answer
$-2z^{3}+7z^{2}-11z+4$
Work Step by Step
$(2z-1)(-z^{2}+3z-4)$
$2z*(-z^{2})+2z(3z)+2z(-4)+(-1)(-z^{2})+(-1)(3z)+(-1)(-4)$
$-2z^{3}+6z^{2}-8z+z^{2}-3z+4$
Simplify
$-2z^{3}+7z^{2}-11z+4$
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