24 (1) (x2+4x+1)(x²+4x+3)
(3) (x+2y-3z)(x-2y+32)
(5) (x+2)(x+3)(x2+5x)
(7) (x²-4)(x+3)(x-3)
*(9) (x+1)(x-1)(x-2)(x-4)
*(11) (x-3)2(x+3)2(x²+9)²
*(2) (x2+2x-1)(x²+3x-1)
*(4) (a2-ab+b²) (a²+ab-b²)
*(6) (x²-6)(x+2)(x-3)
*(8) (x-3)(x-1)(x+1)(x+3)
*(10) (x+1)(x+2)(x+3)(x+6)
(12) (x-a)(x+a) (x²+a²) (x²+a²)
113
(3) (a+3b)3