## Thomas' Calculus 13th Edition

$V=x*(14-2x)*(22-2x)$
If we call the sides of a box $a, b$, and $c$, then we can say: $a=x$ $b=14-2x$ $c=22-2x$ $V=a*b*c$ $V=x*(14-2x)*(22-2x)$