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!

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.Com

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) (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.
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