SOLUTION: Coulkdnt find exactly what i need help with but I am working on factoring and having trouble showing the work.... we are to factor completely and i am lost..... her is 2 problems i

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Question 142825: Coulkdnt find exactly what i need help with but I am working on factoring and having trouble showing the work.... we are to factor completely and i am lost..... her is 2 problems i am lost on
1. Factor completely:
x5y3 – 9x4y2 + 20x3y
2.Factor completly:
x3 – 3x2 + 6x – 18
any help is appreciated thank you in advance
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
1. common factors first __ (x^3)y(y^2-9xy+20)

2. grouping __ (x3 – 3x2) + (6x – 18) __ x^2(x-3)+6(x-3) __ (x^2+6)(x-3)