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Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion


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October 23rd, 2016, 11:46 PM   #1
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Divide for common factor

Hello,
How can divide the numerator and denominator to (u-1) ? with which formula?
Thanks
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File Type: jpg u-1.JPG (16.3 KB, 2 views)
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October 24th, 2016, 06:37 AM   #2
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October 27th, 2016, 05:14 PM   #3
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Quote:
Originally Posted by life24 View Post
Hello,
How can divide the numerator and denominator to (u-1) ? with which formula?
Thanks
The top factorises using the difference of two squares rule (twice).

The bottom factorises using the difference of two cubes rule.
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