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Factor completely.

Please help. I don't know how to do factoring. Show work please. Thank you!

 Feb 5, 2019
 #1
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4r^3 - 8r^2  -5r + 10

 

Factor by grouping

 

4r^2 (r - 2) - 5(r - 2)       take out the common factor (r - 2)  and write back the rest

 

(r - 2) ( 4r^2 - 5)

 

 

cool cool cool

 Feb 5, 2019

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