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 September 10th, 2017, 02:44 PM #1 Newbie   Joined: Sep 2017 From: canada Posts: 1 Thanks: 0 exponents How can I expand the following (3 raised to the power 4x)(2 raised to the power 5x + 3 raised to the power -4x)
 September 10th, 2017, 06:35 PM #2 Global Moderator   Joined: Dec 2006 Posts: 18,155 Thanks: 1422 $3^{4x}\!\left(2^{5x} + 3^{-4x}\right) = \left(2^53^4\right)^x + 1$, etc. Thanks from Country Boy

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### what is 4x 10 raise to -4 maths

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