4x³-4x²y-﹙x-y) 4x³-4x²y-﹙x-y)
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![4x³-4x²y-﹙x-y) 4x³-4x²y-﹙x-y)](/uploads/image/z/1024678-46-8.jpg?t=4x%26%23179%3B%EF%BC%8D4x%26%23178%3By%EF%BC%8D%EF%B9%99x%EF%BC%8Dy%EF%BC%89+4x%26%23179%3B%EF%BC%8D4x%26%23178%3By%EF%BC%8D%EF%B9%99x%EF%BC%8Dy%EF%BC%89)
4x³-4x²y-﹙x-y) 4x³-4x²y-﹙x-y)
4x³-4x²y-﹙x-y)
4x³-4x²y-﹙x-y)
4x³-4x²y-﹙x-y) 4x³-4x²y-﹙x-y)
4x³-4x²y-﹙x-y)
=4x²(x-y)-(x-y)
=(4x²-1)(x-y)
=(2x+1)(2x-1)(x-y)
(x-y)(2x+1)(2x-1)
(4x²-1)(x-y)
4x³-4x²y-﹙x-y)
=4x² ( x - y ) - ( x -y )
=( 4x² -1 ) ( x - y )
= (2x - 1 ) ( 2x + 1 ) (x - y )