Solution - Factoring multivariable polynomials

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "b2"   was replaced by   "b^2".  1 more similar replacement(s).

Step  1  :

Equation at the end of step  1  :

  ((a2) +  ab) -  2b2

Step  2  :

Trying to factor a multi variable polynomial :

 2.1    Factoring    a² + ab - 2b² 

Try to factor this multi-variable trinomial using trial and error 

 Found a factorization  :  (a + 2b)•(a - b)

Final result :

  (a + 2b) • (a - b)