How to factor
2x^3-x^2-x+2 = 0
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To factor
, first, we use trial and error by substituting random numbers to find a factor of 
.
We find that
is a root for the polynomial, so, 
is a factor.
Using long division as shown in the attached picture, we get that the factors of
are 
and 
.
Therefore, the factorization of
is 