计算(1500x+1500)x+(1500x+1500)=2160

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计算(1500x+1500)x+(1500x+1500)=2160计算(1500x+1500)x+(1500x+1500)=2160计算(1500x+1500)x+(1500x+1500)=2160x

计算(1500x+1500)x+(1500x+1500)=2160
计算(1500x+1500)x+(1500x+1500)=2160

计算(1500x+1500)x+(1500x+1500)=2160
x=0.2或-2.2