For these questions, REMEMBER... FOIL or
First
Outside
Inside
Last
multiply both of the first terms 2c x 5c
then do the outsides of the terms 2c x -7
then the insides -1 x 5c
then the lasts -1 x -7
now add them all together
10\(c^{2}\) - 14c - 5c + 7 = 10\(c^{2}\) - 19c + 7
