r^2=-75

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Solution for r^2=-75 equation: 



r^2=-75

We move all terms to the left:

r^2-(-75)=0

We add all the numbers together, and all the variables

r^2+75=0

a = 1; b = 0; c = +75;
Δ = b2-4ac
Δ = 02-4·1·75
Δ = -300
Delta is less than zero, so there is no solution for the equation

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