(2 questions)

Question

Factor each expressions

1) 2c + 2d - cd - d^2

2) abd - abe + acd -ace

First rearrange:
2c - cd + 2d - d^2 =
c(2-d)+d(2-d)=
(2-d)(c+d).
The second one is done using the same kind of procedure. Post your work and tell us what you don't understand if you get stuck.