factorise x³-2x²-5x+6
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So the solution is 
Step-by-step explanation:
Given;
Putting factor of to get value of
. If
then
is the root.
Factor of are;
∴ is the root.
∴ is the factor.
∴ is not root.
∴ is not factor.
∴ is not root.
∴ is not factor.
∴ is root.
∴ is factor.
∴ is root.
∴ is factor.
∴ is not root.
∴ is not factor.
∴
∴The solution is
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