(0.8-x)(0.8-x)+36=0

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Solution for (0.8-x)(0.8-x)+36=0 equation: 



(0.8-x)(0.8-x)+36=0

We add all the numbers together, and all the variables

(-1x+0.8)(-1x+0.8)+36=0

We multiply parentheses ..

(+x^2-0.8x-0.8x+0.64)+36=0

We get rid of parentheses

x^2-0.8x-0.8x+0.64+36=0

We add all the numbers together, and all the variables

x^2-1.6x+36.64=0

a = 1; b = -1.6; c = +36.64;
Δ = b2-4ac
Δ = -1.62-4·1·36.64
Δ = -144
Delta is less than zero, so there is no solution for the equation

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