Practice problem
What is the product of (1+2x)(2x−1)(1+2x)(2x-1)(1+2x)(2x−1)?
4x2+2x+14x^2+2x+14x2+2x+1
1−4x21-4x^21−4x2
4x2−2x+14x^2-2x+14x2−2x+1
4x2−14x^2-14x2−1
Type a concept, like “slope” or “photosynthesis”.
