SOLUTION: 16b^2-81 Factor completely
Algebra.Com
Question 574631: 16b^2-81 Factor completely
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
16b^2-81 Factor completely
You can see that this is the "difference of squares"
(4b + 9)(4b - 9)
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