17x-32x is equivalent to you can see solve the expression x(17-32) buy doing the parenthesis first : which result in x(-15) which is -15x If you solce 17-32x you also get the same result.
I believe the possible volumes are <span>5 ft long, 4 ft wide and 2 ft deep 5 ft long, 3 ft wide and 2 ft deep 5 ft long 2 ft wide and 2 ft deep 5 ft long, 1 ft wide and 2 ft deep</span>