3(X-5)^2=2(5-X)这个二元一次 要步骤和解法
用什么方法解? 还要步骤
参考答案:3(X-5)^2 =2(5-X)
3(X-5)^2= -2(X-5)
3(X-5)^2+2(X-5)=0
(X-5)[3(X-5)+2]=0
(X-5)(3X-15+2)=0
(X-5)(3X-13)=0
X=5 or X=(13/3)
用什么方法解? 还要步骤
参考答案:3(X-5)^2 =2(5-X)
3(X-5)^2= -2(X-5)
3(X-5)^2+2(X-5)=0
(X-5)[3(X-5)+2]=0
(X-5)(3X-15+2)=0
(X-5)(3X-13)=0
X=5 or X=(13/3)