Question

Find the volume of the box. Use the formula V = lwh.

right triangle with variable in dimensions

A.
6x3 + 13x2 + x – 2

B.
6x3+ 6x – 2

C.
6x3 – 2

D.
6x2 – 17x2 + x – 2

Answer 1

i would say b. but u may want to check with someone else

Answer 2

and nice new profile photo

Answer 3

Thanks! And i will ask @AccessDenied

Answer 4

ok

Answer 5

@kirbykirby

Answer 6

The volume is \((x+2)(2x+1)(3x-1) \)
The easiest thing to do is consider the two first factors, multiply them out, then multiply that result with the remaining factor \((3x-1)\).

So...
\((x+2)(2x-1)=2x^2-x+4x-2=2x^2+3x-2\)

Now use the result \(2x^2+3x-2\)and multiply it with \(3x-1\), again using distributivity. Just that now you have to multiply out 3 terms with 2