0.2197=66306.25+257.5x+x^2

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Solution for 0.2197=66306.25+257.5x+x^2 equation: 



0.2197=66306.25+257.5x+x^2

We move all terms to the left:

0.2197-(66306.25+257.5x+x^2)=0

We get rid of parentheses

-x^2-257.5x-66306.25+0.2197=0

We add all the numbers together, and all the variables

-1x^2-257.5x-66306.0303=0

a = -1; b = -257.5; c = -66306.0303;
Δ = b2-4ac
Δ = -257.52-4·(-1)·(-66306.0303)
Δ = -198917.8712
Delta is less than zero, so there is no solution for the equation

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