m+21/m=9

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Solution for m+21/m=9 equation: 



m+21/m=9

We move all terms to the left:

m+21/m-(9)=0



Domain of the equation: m!=0

m∈R



We multiply all the terms by the denominator


m*m-9*m+21=0

We add all the numbers together, and all the variables

-9m+m*m+21=0

Wy multiply elements

m^2-9m+21=0

a = 1; b = -9; c = +21;
Δ = b2-4ac
Δ = -92-4·1·21
Δ = -3
Delta is less than zero, so there is no solution for the equation

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