4x³-4x²y-(x-y)因式分解.
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4x³-4x²y-(x-y)因式分解.4x³-4x²y-(x-y)因式分解.4x³-4x²y-(x-y)因式分解.=4x²(x-y
4x³-4x²y-(x-y)因式分解.
4x³-4x²y-(x-y)因式分解.
4x³-4x²y-(x-y)因式分解.
=4x²(x-y) -(x-y)
=(4x²-1)(x-y)
=(2x-1) (2x+1)(x-y)