Factorize : x16-y16+x8+y8

Matching exercise

    
Match the items on the right to the items on the left.
Step 1
Step 2
Step 3
x16-y16+x8+y8=x82-y82+x8+y8
=x8-y8x8+y8+x8+y8
=x8+y8x8-y8+1