Factorization x ^ 4-8x ^ 2Y ^ 2 + 16y ^ 4

Factorization x ^ 4-8x ^ 2Y ^ 2 + 16y ^ 4

The original formula = (X & # 178;) &# 178; - 2 × 4Y & # 178; × X & # 178; + (4Y & # 178;) &# 178;
=(x²-4y²)²
=[(x-2y)(x+2y)]²