Parsing algebraic expressions is always a pain. If you need to compute, say, 2+4*2, the answer should be the same as (2 + (4 *2)), not ((2 + 4) * 2) — in other words, the right answer is 10, not 12.

In this video, we provide essential "math help" by addressing "common math mistakes" students make when simplifying "algebraic expressions". This "algebra" tutorial focuses on why you cannot simply ...