多项式:3(x-y)-6y(y-x)的公因式是______.
题型:填空题难度:一般来源:不详
多项式:3(x-y)-6y(y-x)的公因式是______. |
答案
3(x-y)-6y(y-x)=3(x-y)(1+2y), ∴3(x-y)-6y(y-x)的公因式是 3(x-y). 故答案为:3(x-y). |
举一反三
a2-4a+4,2a2-8和2a-4的公因式是______. |
将多项式-6a3b2-3a2b2+12a2b3分解因式时,应提取的公因式是( )A.-3a2b2 | B.-3ab | C.-3a2b | D.-3a3b3 |
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多项式4x2y3z-12x3y4中各项的公因式是______. |
多项式m2-4n2与m2-4mn+4n2的公因式是( )A.(m+2n)(m-2n) | B.m+2n | C.m-2n | D.(m+2n)(m-2n)2 |
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多项式ax2-4a与多项式x2-4x+4的公因式是______. |
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