Exercise 3.3 - Answers

Q 1(a):	(x+1)(x²-x+1)			(b): (x-1)(x-1)(x-2) 		(c): ---

   (d): (x+1)(x+2)(x+3)			(e): (x-1)(x²+2)		(f): ---

   (g): (x+1)(x+1)(2x+3)		(h): (x-1)(x+1)(3x+2)		(i): (x-1)(x²+x+1)

   (j): (x-1)(x-3)(x+2)			(k): (x+1)(x-4)(x-3)		(l): (x-2)(x-3)(x-4)
 

Q 2   : -7, (x-1)(x+3)(x-2)		
 
Q 4   : -1, -2;  x-1			
 
Q 5   : ---; x-2, x-1
 

Q 6   : -4, -3; (x+1)(x²-x-3)		
 
Q 7   : -4, 1; (x-2)(x-3)(x+1)	
 
Q 8   : -4, 6; (x-3)(x-2)(x+1)
 

Q 9   : -1, 1;  x+1,  x-1		
 
Q10   : -3, -2; (x-2)(x²-x-4)	
 
Q11   : -2, 0
 

Q12   : ---				
 
Q13   : 3; x-1			
 
Q14   : x+1, x+2
 

Q15   : 3,1; 3x³ - 8x² + 15x + 26; (x+1)(3x²-11x+26)