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Sassie
Mathematics
28 April, 16:02
What is the common denominator of 5/x2-4,-2/x+2
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Chyna
28 April, 16:12
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complete question:
What is the common denominator of 5/x²-4,-2/x+2
Answer:
The common denominator are (x + 2) and (x - 2).
Step-by-step explanation:
The expression is 5 / x2-4 and - 2/x+2 . The numerator is the value above the back slashed signs. The numerator in the first expression 5 / x2-4 is 5 while the numerator for the second - 2/x + 2 is - 2.
The denominator is the value below which is x² - 4 and x + 2. To get the common denominator for the first one, you need to expand the value.
x² - 4
-2 and + 2 when added together will give you 0 and also if you multiply the two value - 2 and + 2 together you will get - 4
so x² - 4 can be expanded as
(x + 2) (x - 2).
Therefore the common denominator are (x + 2) and (x - 2).
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Blaine Craig
28 April, 16:22
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Answer: A) (x + 2) (x - 2)
Step-by-step explanation:
The given complex fraction is
Thus we can see that the common denominator in the above complex fraction is A) (x + 2) (x - 2)
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