求过程!!! 求详细!!!!!!!!

2024-12-27 09:26:52
推荐回答(2个)
回答1:

  解:2x²-x=0+1
2x²-x =1
2x =1
x =1:2
希望你能采纳哦

回答2:

2x²-x-1=0
(2x+1)(x-1)=0
x=-1/2或x=1