Asked by | 25th Jun, 2008, 12:21: PM
x3 - 23x2 +142x -120
Note that putting x=1 the value of the expression becomes zero.
Thus by the factor theorem (x-1) is a factor of the given polynomial.
The polynomial is a 3 degree polynomial and hence has 3 factors.
To get the other 2 factors divide the given polynomial by (x-1) and factorize the 2 degree polynomial obtained by middle term splitting.
Answered by | 25th Jun, 2008, 01:59: PM
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