几道因式分解题,能答几题是几题,急⋯⋯1,(x+2)(x+3)(x+4)(x+6)-42x^22,16(x-1)(2x-1)(3x+1)(6x-1)+253,(x^2-1)(9x^2-6x-8)-634,x^2+xy-2y^2+7x+5y+125,a^3+(1-b)a^2-2ba+b^26,x^3+xy+3x+x^2y+x^2+y^2+4y+37,a^2b+a^2c+ac^2-ab^2-b^2c-bc^2
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![几道因式分解题,能答几题是几题,急⋯⋯1,(x+2)(x+3)(x+4)(x+6)-42x^22,16(x-1)(2x-1)(3x+1)(6x-1)+253,(x^2-1)(9x^2-6x-8)-634,x^2+xy-2y^2+7x+5y+125,a^3+(1-b)a^2-2ba+b^26,x^3+xy+3x+x^2y+x^2+y^2+4y+37,a^2b+a^2c+ac^2-ab^2-b^2c-bc^2](/uploads/image/z/4445830-46-0.jpg?t=%E5%87%A0%E9%81%93%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E9%A2%98%2C%E8%83%BD%E7%AD%94%E5%87%A0%E9%A2%98%E6%98%AF%E5%87%A0%E9%A2%98%2C%E6%80%A5%26%238943%3B%26%238943%3B1%2C%28x%2B2%29%28x%2B3%29%28x%2B4%29%28x%2B6%29-42x%5E22%2C16%28x-1%29%282x-1%29%283x%2B1%29%286x-1%29%2B253%2C%28x%5E2-1%29%289x%5E2-6x-8%29-634%2Cx%5E2%2Bxy-2y%5E2%2B7x%2B5y%2B125%2Ca%5E3%2B%281-b%29a%5E2-2ba%2Bb%5E26%2Cx%5E3%2Bxy%2B3x%2Bx%5E2y%2Bx%5E2%2By%5E2%2B4y%2B37%2Ca%5E2b%2Ba%5E2c%2Bac%5E2-ab%5E2-b%5E2c-bc%5E2)
几道因式分解题,能答几题是几题,急⋯⋯1,(x+2)(x+3)(x+4)(x+6)-42x^22,16(x-1)(2x-1)(3x+1)(6x-1)+253,(x^2-1)(9x^2-6x-8)-634,x^2+xy-2y^2+7x+5y+125,a^3+(1-b)a^2-2ba+b^26,x^3+xy+3x+x^2y+x^2+y^2+4y+37,a^2b+a^2c+ac^2-ab^2-b^2c-bc^2
几道因式分解题,能答几题是几题,急⋯⋯
1,(x+2)(x+3)(x+4)(x+6)-42x^2
2,16(x-1)(2x-1)(3x+1)(6x-1)+25
3,(x^2-1)(9x^2-6x-8)-63
4,x^2+xy-2y^2+7x+5y+12
5,a^3+(1-b)a^2-2ba+b^2
6,x^3+xy+3x+x^2y+x^2+y^2+4y+3
7,a^2b+a^2c+ac^2-ab^2-b^2c-bc^2
几道因式分解题,能答几题是几题,急⋯⋯1,(x+2)(x+3)(x+4)(x+6)-42x^22,16(x-1)(2x-1)(3x+1)(6x-1)+253,(x^2-1)(9x^2-6x-8)-634,x^2+xy-2y^2+7x+5y+125,a^3+(1-b)a^2-2ba+b^26,x^3+xy+3x+x^2y+x^2+y^2+4y+37,a^2b+a^2c+ac^2-ab^2-b^2c-bc^2
1,(x+2)(x+3)(x+4)(x+6)-42x^2=(x^2+x+12)(x^2+14x+12)
2,16(x-1)(2x-1)(3x+1)(6x-1)+25=(-3-16x+24x^2)^2
3,(x^2-1)(9x^2-6x-8)-63=(3x^2-x-11)(3x^2-x+5)
4,x^2+xy-2y^2+7x+5y+12=(x+2y+3)(x-y+4)
5,a^3+(1-b)a^2-2ba+b^2=(a-b)(a^2+a-b)
6,x^3+xy+3x+x^2y+x^2+y^2+4y+3=(x^2+y+3)(x+y+1)
7,a^2b+a^2c+ac^2-ab^2-b^2c-bc^2=(a-b)(b+c)(c+a)