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3x-x*x=36
We move all terms to the left:
3x-x*x-(36)=0
Wy multiply elements
-1x^2+3x-36=0
a = -1; b = 3; c = -36;
Δ = b2-4ac
Δ = 32-4·(-1)·(-36)
Δ = -135
Delta is less than zero, so there is no solution for the equation
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