计算(a-1)(a2+a+1)=______.
计算:(5a-3b)-3(a2-2b)=______.
若a2+2a=1,则2a2+4a-1=______.
探究应用:(1)计算:(a-2)(a2+2a+4)=______.(2x-y)(4x2+2xy+y2)=______.(
定义a*b=a2+b-1,则(-8)*17=______.
分解因式:8(a2+1)-16a=______.
分解因式:a3+a2-a-1=______.
已知集合A={a+2,(a+1)2,a2+3a+3},若1∈A,则实数a的值为______.
计算:(3a2+2a+1)-(2a2+3a-5)的结果是( )
(2014•淄博模拟)已知a=3,b-a=1,则a2-ab=______.
若a2+a-1=0,则a3+2a2+2013=______.
已知a2+a-1=0,则a3+2a2+2007的值为______.
若实数a满足a2-2a-1=0,则3a2-6a+5=______.