...I had been provoked first... True some Arab speaking Muslim mathematicians did contribute. But Babylonian, Greek and Indian contributions were more important.
Full symbolic algebra was invented by Descartes.

Al-Jabr is the description of the maneuver to solve the quadratic equation. That came, and was invented by the treatise written in 820 by the Persian mathematician, Muhammad ibn Mūsā al-Khwārizmī (from which algorithm comes). He was from Uzbekistan, although he was resident at the "House of wisdom" in Baghdad (then held by Persians, not Arabs).
PA

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