(x+12)*(x+12)=x*x+360怎么解

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(x+12)*(x+12)=x*x+360怎么解(x+12)*(x+12)=x*x+360怎么解(x+12)*(x+12)=x*x+360怎么解(x+12)*(x+12)=x*x+360x*x+144

(x+12)*(x+12)=x*x+360怎么解
(x+12)*(x+12)=x*x+360怎么解

(x+12)*(x+12)=x*x+360怎么解
(x+12)*(x+12)=x*x+360
x*x+144+24x=x*x+360
24x=360-144=216
x=216/24=9
楼下的你复制我的做什么