r2+8r+5=0r2+8r+5=0

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Solution for r2+8r+5=0r2+8r+5=0 equation: 



r2+8r+5=0r^2+8r+5=0

We move all terms to the left:

r2+8r+5-(0r^2+8r+5)=0

We add all the numbers together, and all the variables

r^2+8r-(0r^2+8r+5)+5=0

We get rid of parentheses

r^2-0r^2+8r-8r-5+5=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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