x=-4.x2+4x-1

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Solution for x=-4.x2+4x-1 equation: 



x=-4.x^2+4x-1

We move all terms to the left:

x-(-4.x^2+4x-1)=0

We get rid of parentheses

4.x^2-4x+x+1=0

We add all the numbers together, and all the variables

4.x^2-3x+1=0

a = 4.; b = -3; c = +1;
Δ = b2-4ac
Δ = -32-4·4.·1
Δ = -7
Delta is less than zero, so there is no solution for the equation

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