Factoring? Help Please

9m(3m - 5)^2 + (3m - 5)^3

Here's a pic of the problem with the possible solutions:
http://i55.tinypic.com/2cps5di.jpg

Can someone show me the steps please?

Thanks.

What's the biggest factor you can take out of both terms?

(3*m - 5)^2

The question becomes:

(3*m - 5)^2 *(9*m + (3*m - 5))

(3*m - 5)^2 *(12*m - 5)

ie answer (c)

The only answer possible is C
9m(3m - 5)^2
The first value is 81m^3
(3m - 5)^3
The first value is + 27m^3
81m^3 + 27m^2 = 108m^3
The only answer must be (3m - 5)(3m - 5)(12m - 5)
3m*3m*12m = 108m^3

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