Practice problem
Expand using FOIL and simplify (x2+x)(5x−1)(x^2+x)(5x-1)(x2+x)(5x−1). Write your answer in standard form.
5x3+4x2−x5x^3+4x^2-x5x3+4x2−x
5x3+4x2+x5x^3+4x^2+x5x3+4x2+x
5x3+6x2+x5x^3+6x^2+x5x3+6x2+x
5x3+6x2−x5x^3+6x^2-x5x3+6x2−x
Type a concept, like “slope” or “photosynthesis”.