alleryWhich is the simplest form of 3x + 2y?
A5xy
B6xy
C5x + 5y
D3x + 2y
Answer & Solution
Correct answer: D. 3x + 2y
1. Only like terms can be added together.
2. 3x and 2y have different variables, so they are not like terms.
3. The expression is already simplest; 5xy and 6xy wrongly merge unlike terms.
_Source: Wikipedia, Elementary algebra, Simplifying expressions_
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