因式分解:8x²+12x x²-12x +36 (x+y)²-4x² 4x³-4x²y+xy²
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因式分解:8x²+12x x²-12x +36 (x+y)²-4x² 4x³-4x²y+xy²
因式分解:8x²+12x x²-12x +36 (x+y)²-4x² 4x³-4x²y+xy²
因式分解:8x²+12x x²-12x +36 (x+y)²-4x² 4x³-4x²y+xy²
8x²+12x
=4x(2x+3);
x²-12x +36
=(x-6) ²;
(x+y)²-4x²
=(x+y+2x)(x+y-2x)
=(3x+y)(y-x);
4x³-4x²y+xy²
=x(4x²-4xy+y²)
=x(2x-y)²;
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