Question

factorise :17–2x +7x²​

Answer 1

7x² -2x +17= 0

here, a= 7 ,b= -2 and c= 17

discriminant= b²-4ac = 4 - 476= -472= D

By quadratic formula,

Roots =. -b + √D/2a and -b - √D/2a

= 2+ √-472/34 and 2- √-472/34

Hope it helps you