x²-3x=0 ········

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 21:06:46
x²-3x=0 ········
x)PS6455P8$P_`gC)//0 "Qk <1 (!dkl_\g_AAC=_k

x²-3x=0 ········
x²-3x=0 ········

x²-3x=0 ········

x²-3x=0
x(x-3)=0
∴x=0或x-3=0
∴x=0或x=3

x(x-3)=0
∴x=0 或x=3