用因式分解法解(2x-3)²-3(2x-3)=0
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用因式分解法解(2x-3)²-3(2x-3)=0
用因式分解法解(2x-3)²-3(2x-3)=0
用因式分解法解(2x-3)²-3(2x-3)=0
(2x-3)²-3(2x-3)=0
(2x-3)(2x-3-3)=0
(2x-3)(2x-6)=0
x1=1.5,x2=3
(2x-3)²-3(2x-3)=0
(2x-3)(2x-3-3)=0
解得:x=3/2 或 x=3
(2x-3)²-3(2x-3)=0
(2x-3)*【(2x-3)-3】=0
2x-3=0
x=3/2
2x-3-3=0
x=3