93) factorise :x3- 2x²-x+2
Answers
Answered by
0
Answer:
(x+1)(x-1)(x+2)
Step-by-step explanation:
x³-2x²-x+2
= x²(x-2)-1(x-2)
= (x²-1)(x+2)
= (x²-1²)(x+2)
= (x+1)(x-1)(x+2)
Similar questions