Intermediate Algebra

19th Edition

ISBN: 9780998625720

Author: Lynn Marecek

Publisher: OpenStax College

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Question

I'm trying to wokout a problem and my answer does not match the books. Factor by grouping 42a^2b-56a^2-12ab+16a. the answer is 2a(3b-4)(7a-2). so far I have 2a(7a-2) (3b-4) (-3b+4)

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