SOLUTION: 3x^3-12x=

Algebra ->  Rational-functions -> SOLUTION: 3x^3-12x=      Log On


   

Question 200673: 3x^3-12x=
Answer by orca(409) About Me  (Show Source):
You can put this solution on YOUR website!
3x%5E3-12x
=3x%5E3-3%2A4x
=3x%2Ax%5E2-3x%2A4
=3x%28x%5E2-4%29 factor 3x out as it is the common factor of both terms
=3x%28x%5E2-2%5E2%29 x^2-2^2 can be factored further
=3x%28x%2B2%29%28x-2%29