-4m=-7m^2-7

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Solution for -4m=-7m^2-7 equation: 



-4m=-7m^2-7

We move all terms to the left:

-4m-(-7m^2-7)=0

We get rid of parentheses

7m^2-4m+7=0

a = 7; b = -4; c = +7;
Δ = b2-4ac
Δ = -42-4·7·7
Δ = -180
Delta is less than zero, so there is no solution for the equation

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