Posted by Jonathon on Wednesday, October 13, 2010 at 6:05pm.
Reduce each rational expression to lowest terms:
3x^212y^2 over x^2+4xy+4y^2

Math  Henry, Friday, October 15, 2010 at 6:30pm
(3x^2  12y^2) / (x^2 + 4xy + 4y^2),
3(x^2  4y^2) / (x + 2y) (x + 2y),
3(x + 2y) (x  2y) / (x + 2y)(x  2y),
Cancel two (x + 2y) factors and get:
3(x  2y) / (x + 2y).

Math  Henry, Friday, October 15, 2010 at 6:38pm
CORRECTION: The denominator of the 3rd expression should be (x + 2y) (x + 2y).
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