What did Al-Khwarizmi do?

Answer 1

he was the one who invented algebra

and he's full name is Muhammad ibn Mūsā al-Khwārizmī

born in 780b.c, Baghdad, Iraq died 850 b.c

The above is completely wrong. He was born c. 780 C.E. (Otherwise known as A.D.) and died c. 850 C.E.

he was a Muslim mathematician

thanks for reading hope I helped