r2+23=0

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Solution for r2+23=0 equation: 



r2+23=0

We add all the numbers together, and all the variables

r^2+23=0

a = 1; b = 0; c = +23;
Δ = b2-4ac
Δ = 02-4·1·23
Δ = -92
Delta is less than zero, so there is no solution for the equation

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