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What is the LCD of this math problem? `(x+5)/(x^2+7x+12) +(x^2+8x+15)/(x^2+4x+3)`
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High School Teacher
Best answer as selected by question asker.
To determine the LCD, factor the denominators.
Then take the product of all difft factors present in the denominators which are (x+3), (x+4) and (x+1).
Hence, the LCD of the two rational expressions is `(x+3)(x+4)(x+1)` .
Posted by mjripalda on May 17, 2013 at 1:38 AM (Answer #1)
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