210x(x)=85x(3-x)

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Solution for 210x(x)=85x(3-x) equation: 



210x(x)=85x(3-x)

We move all terms to the left:

210x(x)-(85x(3-x))=0

We add all the numbers together, and all the variables

210xx-(85x(-1x+3))=0



We calculate terms in parentheses: -(85x(-1x+3)), so:

85x(-1x+3)

We multiply parentheses

-85x^2+255x

Back to the equation:

-(-85x^2+255x)



We get rid of parentheses

85x^2-255x+210xx=0

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