Factorize : x4-10x2y2+25y4

Matching exercise

    
Match the items on the right to the items on the left.
Step 1
Step 2
Step 3
x4-10x2y2+25y4=x22-2×x2×5y2-5y22
=x2-5y22
=x2-5y2x2-5y2