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April 20, 2014

Homework Help: Math

Posted by Ms.Ellis on Tuesday, July 26, 2011 at 4:03pm.

Reiny can you show me how to check this problem.
5a^8-20a^7-25a^6

=5a^6(a^2-4a-5)

=5a^6(a^2-5a+a-5)

=5a^6(a(a-5)+1(a-5)

=5a^6(a-5)(a+1) (answer)

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