find the value of a if x - a is factor of x ^3 - 3 x ^2 + 2 x + a .
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-a cube-3a square-2a+a=o
-a(a square +3a+2)=0
a square +3a + 2=0
a square + 2a+a+2=0
a(a+2)+1(a+2)=0
(a+2)(a+1)=0
a=-2
a=-1
Now just put the value of a in the equation u will get the amswer
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