Practice problem
Which of the following is an equivalent way of writing (2−4)(2 - 4)(2−4)?
(2−2)(2+2)(2 - 2)(2 + 2)(2−2)(2+2)
(1−2)(1+2)(1 - 2)(1 + 2)(1−2)(1+2)
(2−2)(2+2)(\sqrt{2} - 2)(\sqrt{2} + 2)(2−2)(2+2)
Type a concept, like “slope” or “photosynthesis”.
