50-2x=(40+x)2

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Solution for 50-2x=(40+x)2 equation: 



50-2x=(40+x)2

We move all terms to the left:

50-2x-((40+x)2)=0

We add all the numbers together, and all the variables

-2x-((x+40)2)+50=0



We calculate terms in parentheses: -((x+40)2), so:

(x+40)2

We multiply parentheses

2x+80

Back to the equation:

-(2x+80)



We get rid of parentheses

-2x-2x-80+50=0

We add all the numbers together, and all the variables

-4x-30=0

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

-4x=30

x=30/-4

x=-7+1/2

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