Use the Factor Theorem and Determine Whether the First Expression $x + 1 ; P ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 3 x - 19$

question 205

Essay

Use the factor theorem and determine whether the first expression is a factor of P ( x ). $x + 1 ; P ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 3 x - 19$ ( Hint : Write $x + 1$ as $x - ( - 1 )$ .)

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