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^2=11R-30
We move all terms to the left:
^2-(11R-30)=0
We add all the numbers together, and all the variables
-(11R-30)=0
We get rid of parentheses
-11R+30=0
We move all terms containing R to the left, all other terms to the right
-11R=-30
R=-30/-11
R=2+8/11
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