Question

Check whether (x−2) is a factor of x3−2x2−5x+4.

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Answer 1

Step-by-step explanation:

Then the value of x−2=0, so x=2. Remainder is not zero when x−2 divided polynomial x3−2x2−5x+4. Thus x−2 is not a factor of polynomial x3−2x2−5x+4

Answer 2

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$(x - 2) \times ( {x}^{3} - 2 \times 2 - 5x + 4)$