2x(x-4)=4怎么解出x

2025-05-10 05:08:51
推荐回答(4个)
回答1:


回答2:

2x^2-8=4; 2x^2=12; x^2=6; x=根号6

回答3:

2x(x-4)=4
2x^2-8x=4
x^2-4x-2=0
x(x-4)-2=0

回答4:

2(x-4)=4
x-4=2
x=6