Question

factories x^3+x^2-x-1​

Answer 1

Answer:

Step-by-step explanation:

x^3 + x^2 -x-1

factorise using grouping method

(x^3 + x^2)   - (x-1)

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

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