初二解方程(48x+36)(57x+39)-(57x+45)(48x+36)=0

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初二解方程(48x+36)(57x+39)-(57x+45)(48x+36)=0初二解方程(48x+36)(57x+39)-(57x+45)(48x+36)=0初二解方程(48x+36)(57x+39

初二解方程(48x+36)(57x+39)-(57x+45)(48x+36)=0
初二解方程(48x+36)(57x+39)-(57x+45)(48x+36)=0

初二解方程(48x+36)(57x+39)-(57x+45)(48x+36)=0
用乘法分配率做此题.(48x+36)*(57x+39-57x-45)=0(48x+36)*(-6)=0-4x-3=0解得x=-3/4