r^2=-49

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Solution for r^2=-49 equation: 



r^2=-49

We move all terms to the left:

r^2-(-49)=0

We add all the numbers together, and all the variables

r^2+49=0

a = 1; b = 0; c = +49;
Δ = b2-4ac
Δ = 02-4·1·49
Δ = -196
Delta is less than zero, so there is no solution for the equation

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