What are the factors of 12c^2 + cd - d^2?

F. (4c + 3d) (3c - 2d)
G. (4c - 3d) (3c + 2d)
H. (6c + d) (2c - 6d)
J. 6(2c - d) (c + d)
K. 6(2c + d) (c - d)

Can you factor x^2+x-12?

This will be very like that.