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3x^2=-18.2=-63(2+1)=2+3x^2+1
We move all terms to the left:
3x^2-(-18.2)=0
We add all the numbers together, and all the variables
3x^2+18.2=0
a = 3; b = 0; c = +18.2;
Δ = b2-4ac
Δ = 02-4·3·18.2
Δ = -218.4
Delta is less than zero, so there is no solution for the equation
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