解方程:3(x-7)^2=2(7-x) 急

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解方程:3(x-7)^2=2(7-x)急解方程:3(x-7)^2=2(7-x)急解方程:3(x-7)^2=2(7-x)急3(x-7)^2=2(7-x)3(x-7)^2-2(7-x)=0(x-7)[3(

解方程:3(x-7)^2=2(7-x) 急
解方程:3(x-7)^2=2(7-x) 急

解方程:3(x-7)^2=2(7-x) 急
3(x-7)^2=2(7-x)
3(x-7)^2-2(7-x)=0
(x-7)[3(x-7)+2]=0
(x-7)(3x-19)=0
x1=7,x2=19/3