SOLUTION: how is this problem factored? a^4-3a^3+40a^2

SOLUTION: how is this problem factored? a^4-3a^3+40a^2

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Question 209407: how is this problem factored?
a^4-3a^3+40a^2
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Factor:
Notice that each term contains a factor of
Factor out the
...and that's as far as we can go for factoring.
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