在实数范围内分解因式:x2-2x-4=______.
x2-2x+1-1-4
=x2-2x+1-5
=(x-1)2-5
=(x-1)2-(5)2
=(x-1+5)(x-1-5).
Workaround is______.
A.a response to a negative risk that has occurreA workaround is not planned in advance of the occurrence of the risk event
B.a contingency plan
C.implementation of the contingency plan for a positive risk event
D.using global sourcing to continue project development around the clock
东方最高 * * 和神权之间的关系是?()
A、 * * 大于神权
B、神权大于 * *
C、 * * 和神权完全分开
D、 * * 和神权统一于一人