Answer
( $x^{2}$ + 5 ) ( x + 2 )
Work Step by Step
$x^{3}$ + 2$x^{2}$ + 5x + 10 group term
$x^{2}$( x + 2 ) + 5 ( x + 2 ) factor out GCF from each grouping
( $x^{2}$ + 5 ) ( x + 2 )
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