8=0,5+4-1x2

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Solution for 8=0,5+4-1x2 equation: 



8=0.5+4-1x^2

We move all terms to the left:

8-(0.5+4-1x^2)=0

We get rid of parentheses

1x^2-0.5-4+8=0

We add all the numbers together, and all the variables

x^2+3.5=0

a = 1; b = 0; c = +3.5;
Δ = b2-4ac
Δ = 02-4·1·3.5
Δ = -14
Delta is less than zero, so there is no solution for the equation

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