# Chapter 6 - Cumulative Review: 45

=($x^{2}$+3)($x^{2}$+2)

#### Work Step by Step

$x^{4}$+5$x^{2}$+6= =$x^{4}$+2$x^{2}$+3$x^{2}$+6= =$x^{2}$($x^{2}$+2)+3($x^{2}$+2)= =($x^{2}$+3)($x^{2}$+2)

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