Answer
$2u^5-10u^2+11u-9$
Work Step by Step
$+5u^5-4u^2+3u-7$
$-(3u^5+6u^2-8u+2)$
$+5u^5-4u^2+3u-7$
$-3u^5-6u^2+8u-2$
$- - - - - - - - - - -$
$2u^5-10u^2+11u-9$
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