计算(1500x+1500)x+(1500x+1500)=2160

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 17:27:32
计算(1500x+1500)x+(1500x+1500)=2160计算(1500x+1500)x+(1500x+1500)=2160计算(1500x+1500)x+(1500x+1500)=21601

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

计算(1500x+1500)x+(1500x+1500)=2160
1500x^2+1500x+1500x+1500=2160
1500x^2+3000x+1500=2160
x^2+2x+1=1.44
(x+1)^2=1.44
x+1=±1.2
x1=0.2 ,x2=-2.2