3.5=(x+1.25)2

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Solution for 3.5=(x+1.25)2 equation: 



3.5=(x+1.25)2

We move all terms to the left:

3.5-((x+1.25)2)=0



We calculate terms in parentheses: -((x+1.25)2), so:

(x+1.25)2

We multiply parentheses

2x+2.5

Back to the equation:

-(2x+2.5)



We get rid of parentheses

-2x-2.5+3.5=0

We add all the numbers together, and all the variables

-2x+1=0

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

-2x=-1

x=-1/-2

x=1/2

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