Shawn is packing these two boxes with food collected during his school's canned food drive,3x4x - 8x + 32x3x + 9note image not to scaleWhich expression represents the total volume of the two boxes?

To solve;
We will first find the volume of the first box;
Volume = l x w x h
=(x+3)(x+5)(3x)
(x+3)(x+5) = x²