Question

Someone Help with this??

Answer 1

volume of two boxes
\(=1^3+x^3\\=x^3+1\)

Answer 2

2.)
for factoring use the formula
\[a^3+b^3=(a+b)(a^2-ab+b^2)\]

Answer 3

3.\()x^3+1\\=3^3+1\\=?\)