How to factorize 4m-4m + 1
(2m-1)^2
Factorization of a-178; - b-178; - c-178; + 2BC
a²-b²-c²+2bc
=a²-(b²-2bc+c²)
=a²-(b-c)²
=(a+b-c)(a-b+c)
A & # 178; - B & # 178; - C & # 178; + 2BC is factorized by grouping method
a²-b²-c²+2bc
=a²-(b²+c²-2bc)
=a²-(b-c)²
=(a+b-c)(a-b+c)