SOLUTION: I need an explanation on how to properly factor this polynomial... 4a^2+12ab+9b^2-25c^2 I have tried grouping and didnt reach the solution. Thanks in advance for the help!

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I need an explanation on how to properly factor this polynomial... 4a^2+12ab+9b^2-25c^2 I have tried grouping and didnt reach the solution. Thanks in advance for the help!      Log On


   

Question 30910: I need an explanation on how to properly factor this polynomial...
4a^2+12ab+9b^2-25c^2
I have tried grouping and didnt reach the solution. Thanks in advance for the help!
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
=(2a+3b)^2 -25c^2
This is the difference of squares form.
=[(2a+3b)-5c][(2a+3b)+5c}
Cheers,
Stan H.