4m2-12m=-7 solve by completing square
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Step-by-step explanation:
4m^2 -12m - 7 =0
4m^2 -14m +2m -7 =0
2m(2m-7) + 1 *(2m-7) =0
(2m-7)*(2m+1) = 0
m= (7/2) & m= -(1/2)
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