若(a2+b2)(a2+b2-2)=8,则a2+b2=______.
若(a2+b2-1)2=16,则a2+b2值为______.
若(a2+b2)(a2+b2+1)=12,则a2+b2=
若a2+2b2=5,则多项式(3a2-2ab+b2)-(a2-2ab-3b2)的值是______.
化简:a2-3ab+4b2-(2b2-3ab-3a2)=______.
已知a、b实数且满足(a2+b2)2-(a2+b2)-6=0,则a2+b2的值为______.
已知(a2+b2)(a2+b2-8)+16=0,求a2+b2的值
已知(a2+b2)(a2+b2+2)-15=0,求a2+b2的值.
若a2+b2=6,则式子(3a2-2ab-b2)-(a2-2ab-3b3)=______.
已知(a2+b2)2-(a2+b2)-6=0,求a2+b2的值.
若a2+ab=4,ab+b2=-1,则a2-b2=______,a2+2ab+b2=______.
已知a2-ab=8,ab-b2=-4,则a2-b2=______,a2-2ab+b2=______.
已知(a2+b2 )(a2+2+b2 )=15,则a2+b2 =________.