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Factor: 35k³+42k²+25k+30

 Mar 1, 2018
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Factor the following:

35 k^3 + 42 k^2 + 25 k + 30

 

Factor terms by grouping. 35 k^3 + 42 k^2 + 25 k + 30 = (35 k^3 + 42 k^2) + (25 k + 30) = 7 k^2 (5 k + 6) + 5 (5 k + 6):

7 k^2 (5 k + 6) + 5 (5 k + 6)

 

Factor 5 k + 6 from 7 k^2 (5 k + 6) + 5 (5 k + 6):

 

=(5k + 6) (7k^2 + 5)

 Mar 1, 2018

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