-6r(3r+6)=-18r^2-36r

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Solution for -6r(3r+6)=-18r^2-36r equation: 



-6r(3r+6)=-18r^2-36r

We move all terms to the left:

-6r(3r+6)-(-18r^2-36r)=0

We multiply parentheses

-(-18r^2-36r)-18r^2-36r=0

We get rid of parentheses

18r^2-18r^2+36r-36r=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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