(2X-1)(X-2)=-1

问题描述:

(2X-1)(X-2)=-1
(2X-1)(X-2)=-1

(2X-1)(X-2)=-1
2x²-5x+2=-1
2x²-5x+3=0
(2x-3)(x-1)=0
x=3/2或x=1