计算3(2x-1)(x+6)-5(x-3)(x+6)
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计算3(2x-1)(x+6)-5(x-3)(x+6)
计算3(2x-1)(x+6)-5(x-3)(x+6)
计算3(2x-1)(x+6)-5(x-3)(x+6)
3(2x-1)(x+6)-5(x-3)(x+6)
=(x+6)[3(2x-1)-5(x-3)]
=(x+6)(x+12)
x没有具体值,
这也不是方程,
没有办法算出具体值
=(x+6)(x+12)
3(2x-1)(x+6)-5(x-3)(x+6)=(x+6)(x+12)
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