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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