Answer
$(2v-1)(2v-7)$
Work Step by Step
$4v^2-16v+7$
$=4v^2-14v-2v+7$
$=(4v^2-2v)-(14v-7)$
$=2v(2v-1)-7(2v-1)$
$=(2v-1)(2v-7)$
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