5x(x-3)=6-2x 解方程.

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5x(x-3)=6-2x解方程.5x(x-3)=6-2x解方程.5x(x-3)=6-2x解方程.5x(x-3)=6-2x5x²-15x+2x-6=05x²-13x-6=0﹙5x+2

5x(x-3)=6-2x 解方程.
5x(x-3)=6-2x 解方程.

5x(x-3)=6-2x 解方程.
5x(x-3)=6-2x
5x²-15x+2x-6=0
5x²-13x-6=0
﹙5x+2﹚﹙x-3﹚=0
x=-0.4,x=3

5x*x-15x=6-2x
5x*x-15x+2x=6
5x*x-13x-6=0
不知道你第一x是乘还是X
如果是乘就好做了
5x-3=6-2x
5x+2x=6+3
7x=9
x=7/9

是5乘以x-3还是5*X*(x-3)啊

5x(x-3)=6-2x
5x(x-3)=2(3-x)
5x(x-3)=(-2)(x-3)
(x-3)(5x+2)=0
所以
x=3或x=-2/5