SOLUTION: Please help factor completely 10a^3+17a^2+3a=

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Question 753968: Please help factor completely
10a^3+17a^2+3a=
Answer by solver91311(24713) About Me  (Show Source):
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Take out an



Multiply the lead coefficient on the quadratic trinomial by the constant: 10 times 3 is 30. Find two factors of 30 that add up to 17. Try 15 and 2.

Split the first degree term into two parts, and

Group the factors into pairs:



Factor out from the first pair of factors:



Factor out 1 from the second pair



Factor out




John

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