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Simplify \( (u+4)(u-1) - (u-3)(u+6)\)

 Aug 14, 2020
 #1
avatar+1034 
+4

To do this, let's first expand. (i couldn't find an easier way...)

So, (u+4)(u-1)-(u-3)(u+6) is u^2+3u-4-(u^2+3u-18), which is 14.

 

PS After some thought about the answer I got, I think there might be an easier way....but i dont see it yet....

 

:)

 Aug 14, 2020

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