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The Arabs expand into Northern Africa and western Europe, bringing knowledge of the ancient Greeks, Egyptians and Indians.
Besides, carefully writing down the math knowledge from the eastern Mediterranean Sea area and India, they also added their own discoveries. Mohammad Al-Khwarizma is the most famous scribe, whose book title is the basis for the the name algebra.
One such mathematician was Omarh Khyyam, who found general methods of finding third, fourth and fifth order roots of equations.
Al-Karaji considered polynomials with an infinite number of terms.
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