SOLUTION: how to Factor a Polynomial Completely b^4-9b^2

Algebra.Com
Question 645579: how to Factor a Polynomial Completely
b^4-9b^2

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
Factor Polynomial Completely

checking (b+3)(b-3) using FOIL
F First terms b^2
O Outside terms -3b
I Inside terms 3b
L Last terms -9

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