Question

factorise
${ x}^{3} + {x}^{2 } - 2x - 1$
​

Answer 1

Answer:

x - ( x ) +2x

Step-by-step explanation:

I hope it's brain list answer

Answer 2

Step-by-step explanation:

9x

4

−(x

2

+2x+1)

9 {x}^{4} - ( {x }^{2} + {1}^{2} + 2(x)(1)9x

4

−(x

2

+1

2

+2(x)(1)

9 {x}^{4} - (x + 1)(x + 1)9x

4

−(x+1)(x+1)

9x^4 - (x+1 ) ^2

(3x^)^2 - (x+1)^

(3x^2 - (x+1) ) ( 3x^2 + ( x+1))