4x(x/2-x)-(4x-2x)=20

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Solution for 4x(x/2-x)-(4x-2x)=20 equation: 



4x(x/2-x)-(4x-2x)=20

We move all terms to the left:

4x(x/2-x)-(4x-2x)-(20)=0



Domain of the equation: 2-x)!=0

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

-x)!=-2

x!=-2/1

x!=-2

x∈R



We add all the numbers together, and all the variables

4x(-1x+x/2)-(+2x)-20=0

We multiply parentheses

-4x^2+4x^2-(+2x)-20=0

We get rid of parentheses

-4x^2+4x^2-2x-20=0

We add all the numbers together, and all the variables

-2x-20=0

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

-2x=20

x=20/-2

x=-10

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