Which of the following is equal to the rational expression when x -2 or -1? x^2-4/(x+2)(x+1)
1 answer:
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- Here's the notation for absolute value: | |
- Absolute Value Rules:
- |a| = a
- |-a|=a
- Thus, the absolute value of a number is always positive.
- Now, what is the absolute value of
?
- Using the first rule, we can conclude that
- |
Hope it helps!
~Stargazing~