UPSKILL MATH PLUS

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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.