Question

Factor each of the following expression completely..4a^2 b-8a^3 b^5+2ab^7.

Answer 1

Equation at the end of step  1  : (((4•(a2))•b)-((8•(a3))•(b5)))+2ab7Equation at the end of step  2  : (((4•(a2))•b)-(23a3•b5))+2ab7 Step  3  :Equation at the end of step  3  : ((22a2 • b) - 23a3b5) + 2ab7 Step  4  :Step  5  :Pulling out like terms :

 5.1     Pull out like factors :

   -8a3b5 + 4a2b + 2ab7  =   -2ab • (4a2b4 - 2a - b6) 

Trying to factor a multi variable polynomial :

 5.2    Factoring    4a2b4 - 2a - b6 

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

 Factorization fails

Final result : -2ab • (4a2b4 - 2a - b6)

Processing ends successfully 

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