Which is one reason why this expression is equal to 0?
The product of any number and its opposite is 0.
The expression does not equal 0.
The sum of any number and its opposite is 0.
The same number appears in the numerator and denominator.
Which is one reason why this expression is equal to 0?
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The correct answer is: The sum of any number and its opposite is 0.
Explanation: When you add a number and its opposite (for example, 5 and -5), the result is always 0. This concept is fundamental in algebra, as it illustrates how opposites cancel each other out. Thus, this reasoning explains why certain expressions can equal 0. If you have more questions or need further clarification, feel free to ask!