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Algebra
Question

5. If \( x = - 1 \) is a root of the polynomial \(...

5. If \( x = - 1 \) is a root of the polynomial \( 0 = x ^ { 3 } + 4 x ^ { 2 } + 2 x - 1 \) , what are the remaining roots? 

\( x = \pm 1 \) 

\( x = - 3.5 , x = - 2.5 \) 

\( x = \frac { - 3 \pm \sqrt { 13 } } { 2 } \) 

\( x = \pm 3\) 

Answer

 \( x = \frac { - 3 \pm \sqrt { 13 } } { 2 } \)

Solution
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