Determine x so that (4x), (5x+4), (3x^2 -1) will be an arithmetic progression. Show complete solution

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.2: Adding And Subtracting Polynomials
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Determine x so that (4x), (5x+4), (3x^2 -1) will be an arithmetic progression. Show complete solution
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