simplify this expression :-
x^3-2x-x+2
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Step-by-step explanation:
Substitute x=1 in above polynomial then we will get 0 so x=1 is the root of this polynomial and (x-1) is a factor of this polynomial. Now divide this by (x-1)
(x-1)√x^3-3x+2 |(x^2+x-2)
-x^3+x^2
_____________
x^2-3x+2
-x^2+x
__________
-2x+2
2x-2
________
0
____
So we need to factorise
can be factorised as
Hope it helps you.
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