Factorize : 4x2-4xy+y2-9z2

Matching exercise

    
Match the items on the right to the items on the left.
Step 1
Step 2
Step 3
Step 4
4x2-4xy+y2-9z2=4x2-4xy+y2-9z2
=2x2-2×2x×y+y2-3z2
=2x-y2-3z2
=2x-y+3z2x-y-3z