﹝100-2X﹞﹝50-2X﹞=3600的具体步骤
问题描述:
﹝100-2X﹞﹝50-2X﹞=3600的具体步骤
答
﹝100-2X﹞﹝50-2X﹞=36004x2-300x+5000=36004x2-300x+1400=0x2-75x+350=0(x-70)(x-5)=0x1=70 x2=5
﹝100-2X﹞﹝50-2X﹞=3600的具体步骤
﹝100-2X﹞﹝50-2X﹞=36004x2-300x+5000=36004x2-300x+1400=0x2-75x+350=0(x-70)(x-5)=0x1=70 x2=5