3r^2+r+9=7

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Solution for 3r^2+r+9=7 equation: 



3r^2+r+9=7

We move all terms to the left:

3r^2+r+9-(7)=0

We add all the numbers together, and all the variables

3r^2+r+2=0

a = 3; b = 1; c = +2;
Δ = b2-4ac
Δ = 12-4·3·2
Δ = -23
Delta is less than zero, so there is no solution for the equation

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