SOLUTION: Factor by grouping. Thanks! 2a^3+a^2-14a-7

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Question 74120: Factor by grouping. Thanks!
2a^3+a^2-14a-7
Answer by rmromero(383) About Me  (Show Source):
You can put this solution on YOUR website!


Factor by grouping. Thanks! 

2a^3+a^2-14a-7





Be sure to group term to have a common factor



    (2a^3 - 14a) + (a^2 - 7)

  2a(a^2 - 7) + 1(a^2 - 7)



  (2a + 1) (a^2 - 7)





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