x=-x^2+12x-36

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Solution for x=-x^2+12x-36 equation: 



x=-x^2+12x-36

We move all terms to the left:

x-(-x^2+12x-36)=0

We get rid of parentheses

x^2-12x+x+36=0

We add all the numbers together, and all the variables

x^2-11x+36=0

a = 1; b = -11; c = +36;
Δ = b2-4ac
Δ = -112-4·1·36
Δ = -23
Delta is less than zero, so there is no solution for the equation

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