多项式a²b+ab²各项的公因式是?多项式3x²-3y各项的公因式是?多项式3x²-6x的3次方各项的公因式是?a²x+ay-a的3次方xy分解因式时,应提取的公因式是( )A.a² B.a C.ax D.ay
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![多项式a²b+ab²各项的公因式是?多项式3x²-3y各项的公因式是?多项式3x²-6x的3次方各项的公因式是?a²x+ay-a的3次方xy分解因式时,应提取的公因式是( )A.a² B.a C.ax D.ay](/uploads/image/z/2555330-50-0.jpg?t=%E5%A4%9A%E9%A1%B9%E5%BC%8Fa%26%23178%3Bb%2Bab%26%23178%3B%E5%90%84%E9%A1%B9%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF%3F%E5%A4%9A%E9%A1%B9%E5%BC%8F3x%26%23178%3B-3y%E5%90%84%E9%A1%B9%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF%3F%E5%A4%9A%E9%A1%B9%E5%BC%8F3x%26%23178%3B-6x%E7%9A%843%E6%AC%A1%E6%96%B9%E5%90%84%E9%A1%B9%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF%3Fa%26%23178%3Bx%2Bay-a%E7%9A%843%E6%AC%A1%E6%96%B9xy%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E6%97%B6%2C%E5%BA%94%E6%8F%90%E5%8F%96%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF%EF%BC%88+%29A.a%26%23178%3B+B.a+C.ax+D.ay)
多项式a²b+ab²各项的公因式是?多项式3x²-3y各项的公因式是?多项式3x²-6x的3次方各项的公因式是?a²x+ay-a的3次方xy分解因式时,应提取的公因式是( )A.a² B.a C.ax D.ay
多项式a²b+ab²各项的公因式是?多项式3x²-3y各项的公因式是?
多项式3x²-6x的3次方各项的公因式是?a²x+ay-a的3次方xy分解因式时,应提取的公因式是( )A.a² B.a C.ax D.ay
多项式a²b+ab²各项的公因式是?多项式3x²-3y各项的公因式是?多项式3x²-6x的3次方各项的公因式是?a²x+ay-a的3次方xy分解因式时,应提取的公因式是( )A.a² B.a C.ax D.ay
3x^2-6x^3=3x^2(1-2x),即公因式为3x^2.
a^2x+ay-a^3xy
=a(ax+y-a^2xy)
所以公因式为a,故选择B.
公因式是3x B