Find the arithmetic mean L of all roots of the following equation-…

Find the arithmetic mean L of all roots of the following equation- see an attachment.

~8 minAnswer checked instantly

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #25326

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your answer

Checked against the answer in AQuA-RAT.