若关于a,b的多项式2(a2-2ab-b2)-(a2+mab+2b2)不含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______.
若a2+2ab=-10,b2+2ab=16,则多项式a2+4ab+b2与a2-b2的值分别为( )
已知多项式6a2+mab-ab-10b2除以3a-2b,得商为2a+5b,求m的值.
化简:a2-3ab+4b2-(2b2-3ab-3a2)=______.
若a2+ab=5,ab+b2=4,则a2+2ab+b2的值为______.
若a+b=4,则a2+2ab+b2的值为______.
已知a2+2ab+b2+(a-2)2=0,则b=______.
若a2+ab=4,ab+b2=-1,则a2-b2=______,a2+2ab+b2=______.
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?
已知a、b实数且满足(a2+b2)2-(a2+b2)-6=0,则a2+b2的值为______.