4r^2-r+13=6

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Solution for 4r^2-r+13=6 equation: 



4r^2-r+13=6

We move all terms to the left:

4r^2-r+13-(6)=0

We add all the numbers together, and all the variables

4r^2-1r+7=0

a = 4; b = -1; c = +7;
Δ = b2-4ac
Δ = -12-4·4·7
Δ = -111
Delta is less than zero, so there is no solution for the equation

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