Question 74120
<pre>
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)


Visit www.freeweb.com/onlinemathclass
and leave a message