Question

X^2 (3-2x+x^2) for x=1 ; x=-1 ; x=2/3 and x= -1/2

Answer 1

Answer:

Step-by-step explanation:

The original expression is 2X^3 -- X^2 -- 2X + 1.  

2X^3 -- 2X -- X^2 + 1 =

2X^3 -- 2X -- (X^2 -- 1) =

2X (X^2 -- 1) -- (X^2 -- 1) =

(2X -- 1)(X^2 -- 1) =

(2X --1)(X -- 1)(X + 1)