若实数a满足a2-2a=3,则3a2-6a-8的值为______.
若实数a满足a2-2a=3,则3a2-6a-8的值为______.
若实数a满足a2-2a-1=0,则3a2-6a+5=______.
已知a、b实数且满足(a2+b2)2-(a2+b2)-6=0,则a2+b2的值为______.
已知实数a满足a2+2a-1=0求(1 /a+1)-(a+3/a2-1)*(a2-2a+1/a2+4a+3)的值
若实数a满足a2-2a+1=0,则2a2-4a+5=______.
已知集合A={a+2,(a+1)2,a2+3a+3},若1∈A,则实数a的值为______.
已知实数a,b分别满足a3-3a2+5a=1,b3-3b2+5b=5,则a+b的值为______.
已知实数a、b满足a2+b2+a2b2=4ab-1,则a+b的值为______.
已知实数a、b满足2a+b=1,则a2+ab的最大值为______.
若a2+a=0,则2a2+2a+2007的值为______.
已知a、b实数且满足(a2+b2)2-(a2+b2)2-6=0,则a2+b2的值为
已知实数a,b满足a2+ab+b2=1,则t=a2-ab+b2的取值范围为______.