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0=-2x^2-8x-18
We move all terms to the left:
0-(-2x^2-8x-18)=0
We add all the numbers together, and all the variables
-(-2x^2-8x-18)=0
We get rid of parentheses
2x^2+8x+18=0
a = 2; b = 8; c = +18;
Δ = b2-4ac
Δ = 82-4·2·18
Δ = -80
Delta is less than zero, so there is no solution for the equation
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