因式分解法:(2x-1)²+3(2x-1)+2=0
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因式分解法:(2x-1)²+3(2x-1)+2=0
因式分解法:(2x-1)²+3(2x-1)+2=0
因式分解法:(2x-1)²+3(2x-1)+2=0
(2x-1)²+3(2x-1)+2=0
(2x-1+1)(2x-1+2)=0
2x(2x+1)=0
x=0,-1/2
(2x+2)(2x-1)=-2
4x方-2x+4x-2=2
4x的平方+2x=4
2x的平方+x=2
x(2x+1)=2