SOLUTION: Factor the trinomial. b^3-2b^2-63b

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Question 229599: Factor the trinomial.
b^3-2b^2-63b

Answer by Earlsdon(6294)   (Show Source): You can put this solution on YOUR website!
Factor:
First, since each term has common factor of b, a b can be factored.

Now look at the constant term (-63) and see what its factors are:




Now you need the pair of factors from the above list whose sum is -2 (the coefficient of the center term of the trinomial.
A quick look will show that the pair that meets this requirement is because . Now you can finish the factoring process.

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