Question 1043455
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How do I factor x^3 - 4x +6? I tried Rational Root Theorem but can't find a factor of 6 so that the polynomial is 0.
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It looks like it has no integer roots and has no rational roots.


If so, its only real root is irrational number.


See the plot below.


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{{{graph( 330, 330, -8.5, 8.5, -6.5, 10.5,
          x^3 - 4x +6
)}}}


<B>Figure</B>. Plot f(t) = {{{x^3 - 4x +6}}}

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