Answer:
1.) x³+2x2-5x-6
x³+2x²-5x-6
(x+1)(x²+x-6)
(x+1)(x-2)(x+3)
2.) x3+x2-x-1
x³+x²-x-1
x²(x + 1) - (x+1)
(x+1)(x² - 1²)
(x+1)(x+1)(x-1)
(x+1)² (x-1)
3.) x3 - x2 - 10X-8
x³-x²-10x-8
(x+1)(x²-2x-8)
(x+1)(x-4)(x+2)
Step-by-step explanation: