因式分解下列各式.x²+1+2x.a²-4a+4.6m+9+m² .y²-y+¼.16x²+1-8x.25x²-30xy+9y².2x²-8x+8.x³-6x²+9x.-3x²+6xy-3y².6xy²-9x²y-y³.
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![因式分解下列各式.x²+1+2x.a²-4a+4.6m+9+m² .y²-y+¼.16x²+1-8x.25x²-30xy+9y².2x²-8x+8.x³-6x²+9x.-3x²+6xy-3y².6xy²-9x²y-y³.](/uploads/image/z/7611450-42-0.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F.x%26%23178%3B%EF%BC%8B1%EF%BC%8B2x.a%26%23178%3B%EF%BC%8D4a%EF%BC%8B4.6m%EF%BC%8B9%EF%BC%8Bm%26%23178%3B+.y%26%23178%3B%EF%BC%8Dy%EF%BC%8B%26%23188%3B.16x%26%23178%3B%EF%BC%8B1%EF%BC%8D8x.25x%26%23178%3B%EF%BC%8D30xy%EF%BC%8B9y%26%23178%3B.2x%26%23178%3B%EF%BC%8D8x%EF%BC%8B8.x%26%23179%3B%EF%BC%8D6x%26%23178%3B%EF%BC%8B9x.%EF%BC%8D3x%26%23178%3B%EF%BC%8B6xy%EF%BC%8D3y%26%23178%3B.6xy%26%23178%3B%EF%BC%8D9x%26%23178%3By%EF%BC%8Dy%26%23179%3B.)
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因式分解下列各式.x²+1+2x.a²-4a+4.6m+9+m² .y²-y+¼.16x²+1-8x.25x²-30xy+9y².2x²-8x+8.x³-6x²+9x.-3x²+6xy-3y².6xy²-9x²y-y³.
因式分解下列各式.x²+1+2x.a²-4a+4.6m+9+m² .y²-y+¼.
16x²+1-8x.25x²-30xy+9y².2x²-8x+8.x³-6x²+9x.-3x²+6xy-3y².
6xy²-9x²y-y³.
因式分解下列各式.x²+1+2x.a²-4a+4.6m+9+m² .y²-y+¼.16x²+1-8x.25x²-30xy+9y².2x²-8x+8.x³-6x²+9x.-3x²+6xy-3y².6xy²-9x²y-y³.
x²+1+2x.=(x+1)²
a²-4a+4.=(a-2)²
6m+9+m² =.(m+3)²
y²-y+¼.=(y-1/2)²
16x²+1-8x.= (4x-1)²
25x²-30xy+9y².=(5x-3y)²
2x²-8x+8.=2(x-2) ²
x³-6x²+9x.=x(x-3)²
-3x²+6xy-3y²= - 3(y-1)².
6xy²-9x²y-y³.= - y(3x-y)²