若关于a,b的多项式3(a2-2ab-b2)-(a2+mab+2b2)中不含有ab项,则m=______.
若关于a,b的多项式3(a2-2ab-b2)-(a2+mab+2b2)中不含有ab项,则m=______.
若a2+2b2=5,则多项式(3a2-2ab+b2)-(a2-2ab-3b2)的值是______.
已知多项式6a2+mab-ab-10b2除以3a-2b,得商为2a+5b,求m的值.
若a2+2ab=-10,b2+2ab=16,则多项式a2+4ab+b2与a2-b2的值分别为( )
化简:a2-3ab+4b2-(2b2-3ab-3a2)=______.
若a2+b2=6,则式子(3a2-2ab-b2)-(a2-2ab-3b3)=______.
a2+b2=2,那么代数式(a2-2ab-3b2)-(3a-2ab-b2)的值是?
若a+b=4,则a2+2ab+b2的值为______.
若a2+ab=5,ab+b2=4,则a2+2ab+b2的值为______.
若a=2009,b=-2010,则a2+2b2+3ab=______.
若a+b=-3,ab=2,则a2+b2=______.
已知a2+2ab+b2+(a-2)2=0,则b=______.