Find the value of k if x-1 is the factor of x ^ 2 + x + k
1 answer:
Answer:

Step-by-step explanation:
Recall from the Factor Theorem that if (<em>x</em> - <em>a</em>) is a factor of a polynomial <em>P</em>, then P(<em>a</em>) must equal 0.
Our polynomial is:

And we know that (<em>x</em> - 1) is a factor.
Therefore, by the Factor Theorem, P(1) must equal 0. Hence solve for <em>k: </em>
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In conclusion, the value of <em>k</em> is -2.
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<span>if
1c<span>m3</span>=1mm</span>
then<span><span>
1942×1c<span>m3</span>=1942×1mm</span></span>