作业帮计算一道题-------------十万火急啊(y+1/2)*(y-1/3)
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计算一道题-------------十万火急啊(y+1/2)*(y-1/3)
计算一道题-------------十万火急啊
(y+1/2)*(y-1/3)
计算一道题-------------十万火急啊(y+1/2)*(y-1/3)
y平方+1/6y-1/6
=y^2-1/3y+1/2y-1/6
=y^2-1/6y-1/6
(y+1/2)*(y-1/3)
=y^2+y/6-1/6
是问(y+1/2)*(y-1/3) 的解吗？
y=-1/2或y=1/3