Practice problem
What is the sum of (x2+x)(x^2 + x)(x2+x) and (x2−x)(x^2 - x)(x2−x)?
2x22x^22x2
2x2+2x2x^2 + 2x2x2+2x
000
2x2−2x2x^2-2x2x2−2x
Type a concept, like “slope” or “photosynthesis”.