因式分解;8ax²-4ax+1/2a-2ay²
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因式分解;8ax²-4ax+1/2a-2ay²
因式分解;8ax²-4ax+1/2a-2ay²
因式分解;8ax²-4ax+1/2a-2ay²
8ax²-4ax+1/2a-2ay²
=1/2a(16x²-8x+1-4y²)
=1/2a[(16x²-8x+1)-4y²]
=1/2a[(4x-1)²-4y²]
=1/2a[(4x-1)-2y][(4x-1)+2y]
=1/2a(4x-1-2y)(4x-1+2y)