m(3m-7)=-4

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m(3m-7)=-4m(3m-7)=-4m(3m-7)=-4m(3m-7)=-43m²-7m+4=0(3m-4)(m-1)=0m=1或m=4/3m=-1或m=4/31或4/3

m(3m-7)=-4
m(3m-7)=-4

m(3m-7)=-4
m(3m-7) = -4
3m² - 7m + 4 = 0
(3m - 4)(m - 1) = 0
m = 1 或 m = 4/3

m=-1或m=4/3

1或4/3

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