NOTICE
1. DO NOT UPLOAD PHOTO!!! I can't recognize your Cursive.
2. Please use MATHEMATICAL EDITOR if you can, so I can see the equations clearly.
3. Please explain IN DETAIL. I'm beginner.
Factor each of the following expressions to obtain a product of sums: (Simplify where possible.)
(1) BCD+C'D'+B'C'D+CD
(2) WXY+WX'Y+WYZ+XYZ'