这道题用十字相乘法怎么做

2(x-3)눀=4(x-3)
2025-05-10 19:59:27
推荐回答(1个)
回答1:

2(x-3)²=4(x-3)

2(x-3)²-4(x-3)=0

2(x-3)(x-7)=0
x=3或x=7