Answers

2015-02-03T22:50:31+08:00
(5+c)(5-c) =25-5c+5c-c^2 =25-c^2 (25-c^2)(5+c) =125+25c-5c^2+c^3 =125+25c-5c^3-c^3 is the final answer
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hehe not sure about your mathematical statement.
2015-02-03T22:57:15+08:00
THE ANSWER IS (5+c)3 to the cube =(5+c)27=135+27c.
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