r2+8r+17=0

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Solution for r2+8r+17=0 equation: 



r2+8r+17=0

We add all the numbers together, and all the variables

r^2+8r+17=0

a = 1; b = 8; c = +17;
Δ = b2-4ac
Δ = 82-4·1·17
Δ = -4
Delta is less than zero, so there is no solution for the equation

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