Everyone agreed on the first step: Solve inside the parentheses, for 2+2=4. But after that, people split down two paths. Some multiplied first, while others divided, leading to different answers—1 and ...

In this video we will explore where students make mistakes with synthetic division. This is a common problem that students ...

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The answer could be 1 or it could be 16, or it could be both. There are two problems, according to the computer science professor: the order and the obelus. An obelus is this: ÷ and it has a variety ...