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OpenStudy (anonymous):
lcm of a^2 - 16, (a-4)(a-5)
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OpenStudy (anonymous):
factor a^2 - 16 and you get (a + 4)(a - 4) the other is (a - 4)(a - 5) they both have an (a + 4) so you count that once so you have lcm (a + 4)(a - 4)(a - 5)
OpenStudy (dumbcow):
yeah exactly what i was going to say :)
OpenStudy (anonymous):
thanks again :)
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