R(q)=-0.31(q-260)2+9,500

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Solution for R(q)=-0.31(q-260)2+9,500 equation: 



(R)=-0.31(R-260)2+9.500

We move all terms to the left:

(R)-(-0.31(R-260)2+9.500)=0



We calculate terms in parentheses: -(-0.31(R-260)2+9.500), so:

-0.31(R-260)2+9.500

We add all the numbers together, and all the variables

-0.31(R-260)2+9.5

We multiply parentheses

-0.62R+161.2+9.5

We add all the numbers together, and all the variables

-0.62R+170.7

Back to the equation:

-(-0.62R+170.7)



We get rid of parentheses

R+0.62R-170.7=0

We add all the numbers together, and all the variables

1.62R-170.7=0

We move all terms containing R to the left, all other terms to the right

1.62R=170.7

R=170.7/1.62

R=105+0.59999999999997/1.62

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