Practice problem
Simplify x(x−1)+2x2(3x+1)x(x - 1) + 2x^2(3x + 1)x(x−1)+2x2(3x+1).
6x3+3x2−x6x^3 + 3x^2 - x6x3+3x2−x
4x2+3x4x^2 + 3x4x2+3x
6x3−x2+x6x^3 - x^2 + x6x3−x2+x
5x2−6x3+15x^2 - 6x^3 + 15x2−6x3+1
Type a concept, like “slope” or “photosynthesis”.
