Discussion on question by Sid: If $\left|x^2-|4x+3|\right|$, $4$, $\left|2x^2-\left||x|+5\right|\right|$ are the first three terms of an arithmetic progression ...

$Mathematics$

Imported from a comment discussion on https://math.stackexchange.com/questions/3732602/if-leftx2-4x3-right-4-left2x2-leftx5-right-right-are-th

1703d ago – Gerry Myerson

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