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2k2-k+3+5k2+3k-7

 Oct 17, 2015
 #1
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+5

I assume this is :

 

2k^2-k+3+5k^2+3k-7    ???  ...... collect like terms

 

[2k^2 + 5k^2] + [3k - k ] + [ 3 - 7]  =

 

7k^2 + 2k - 4

 

 

cool cool cool

 Oct 17, 2015

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