m2-4m=-12

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Solution for m2-4m=-12 equation: 



m2-4m=-12

We move all terms to the left:

m2-4m-(-12)=0

We add all the numbers together, and all the variables

m^2-4m+12=0

a = 1; b = -4; c = +12;
Δ = b2-4ac
Δ = -42-4·1·12
Δ = -32
Delta is less than zero, so there is no solution for the equation

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