History of Hindu Mathematics: A Source Book v2.c17.s8.27

v2.c17.s8.27

¹ *BrSpSi*, xviii. 44. It will be noted that in this rule Brahmagupta has employed the term *madhya* (middle) to imply the simple unknown as well as its coefficient. The original of the term is doubtless connected with the mode of writing the quadratic equation in the form $ax²+bx+0=0x²+0x+c,$ so that there are three terms on each side of the equation.