SOLUTION: Please help me with this problem, im stuck. Factor completely. 4a^2 + 12ab + 9b^2 - 25c^2

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Please help me with this problem, im stuck. Factor completely. 4a^2 + 12ab + 9b^2 - 25c^2      Log On


   

Question 109249: Please help me with this problem, im stuck.
Factor completely.
4a^2 + 12ab + 9b^2 - 25c^2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
4a^2 + 12ab + 9b^2 - 25c^2
4a(a+3b) + [(3b-5c)(3b+5c)]
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Cheers,
Stan H.