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Elementary Mathematics
Factorisation
Correct math of the factors for the expression is
A) x+1
B) x-1
C) x-2
D) x+2
Correct Answer:
C) x-2
Description for Correct answer:
\( \Large x^{3}-7x+6 \)
If \( \Large \left(x-2\right)\ is\ a\ factor\ then\ f \left(2\right)=2^{3}-7 \times 2+6 = 8+6-14 = 0 \)
Therefore, \( \Large \left(x-2\right) \) is a factor.
Part of solved Factorisation questions and answers :
>> Elementary Mathematics
>> Factorisation
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