PDF chapter test TRY NOW

Show that :
 
(i) x + 3 is a factor of 69 + 11x – x^2 + x^3 .
 
(ii) 2x – 3 is a factor of x + 2x^3 – 9x^2 + 12 .
 
Important!
This is a creative exercise. It will be checked manually by the teacher.