Practice problem
What is the sum of (a−b)(a2+ab+b2)\left(a-b\right)\left(a^2+ab+b^2\right)(a−b)(a2+ab+b2) and −{−[−(a3−b3)]}-\left\{-\left[-\left(a^3-b^3\right)\right]\right\}−{−[−(a3−b3)]}?
111
000
a4+b4a^4 + b^4a4+b4
a4−b4a^4 - b^4a4−b4
−1-1−1
None of the above
Type a concept, like “slope” or “photosynthesis”.