$$B=(2v-3)(3v-2)$$
$B=\left(2v-3\right)\left(3v-2\right)$
$v=\frac{-\sqrt{24B+25}+13}{12}$
$v=\frac{\sqrt{24B+25}+13}{12}\text{, }B\geq -\frac{25}{24}$
