r^2-5r+30=5

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Solution for r^2-5r+30=5 equation: 



r^2-5r+30=5

We move all terms to the left:

r^2-5r+30-(5)=0

We add all the numbers together, and all the variables

r^2-5r+25=0

a = 1; b = -5; c = +25;
Δ = b2-4ac
Δ = -52-4·1·25
Δ = -75
Delta is less than zero, so there is no solution for the equation

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