Factorization factor: the square of 4x - (x + y) | Math enthusiast | Mathematical art

Factorization factor: the square of 4x - (x + y)

The original formula = 4x & # 178; - (x + y) &# 178;
　　=(2x+(x+y))(2x-(x+y))
　　=(3x+y)(x-y)
The second step is to use the square difference formula: A & # 178; - B & # 178; = (a + b) (a-b)

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