Practice problem
What would you multiply the expression (3+5)(3+\sqrt5)(3+5) by to simplify the radical?
(5+3)(\sqrt5+3)(5+3)
(3−5)(3-\sqrt5)(3−5)
(−5−3)(-\sqrt5-3)(−5−3)
(9−5)(9-5)(9−5)
Type a concept, like “slope” or “photosynthesis”.