Practice problem
When expanding (2x+3)(2x−3)(2x + 3)(2x - 3)(2x+3)(2x−3), which terms cancel each other out?
6x6x6x and −6x-6x−6x
4x4x4x and −4x-4x−4x
6x26x^26x2 and −6x2-6x^2−6x2
3x3x3x and −3x-3x−3x
Type a concept, like “slope” or “photosynthesis”.
