tag:blogger.com,1999:blog-2413330957796256307.post129425323678793477..comments2021-05-11T08:04:48.760-05:00Comments on CareerTech Testing Center: Looking for a Way to Study at Any Time or Place? Try StudyBoostCareerTech Testing Centerhttp://www.blogger.com/profile/01283257112995659708noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2413330957796256307.post-57238234012777704412011-03-06T00:32:29.095-06:002011-03-06T00:32:29.095-06:00While I applaud their idea, BOTH of the examples i...While I applaud their idea, BOTH of the examples in their commercial are incorrect. Not only do they mean "expand," instead of "reduce," the expansion of (x+5)(x-3) is x^2 + 2x - 15. Further, the solution to x^2 = 16 is x = 4 or -4 ("or" in the mathematical sense--colloquially, you would say "and").Jeremynoreply@blogger.com