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x^2+.81=0
We add all the numbers together, and all the variables
x^2+0.81=0
a = 1; b = 0; c = +0.81;
Δ = b2-4ac
Δ = 02-4·1·0.81
Δ = -3.24
Delta is less than zero, so there is no solution for the equation
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