0=r2+5

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Solution for 0=r2+5 equation: 



0=r2+5

We move all terms to the left:

0-(r2+5)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-(+r^2+5)=0

We get rid of parentheses

-r^2-5=0

We add all the numbers together, and all the variables

-1r^2-5=0

a = -1; b = 0; c = -5;
Δ = b2-4ac
Δ = 02-4·(-1)·(-5)
Δ = -20
Delta is less than zero, so there is no solution for the equation

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