Sales at a book store increased from 5000 to 10000. This year sales dicreased to 5000 from 10000.
2 answers:
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For this case we must factor the following expression:
We rewrite the middle term as a sum of two terms whose product is
And whose sum is
These numbers are:
-5 and -3
So:
We factor the maximum common denominator of each group:
We take common factor
Answer: