-2x2-19+18=0

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Solution for -2x2-19+18=0 equation: 



-2x^2-19+18=0

We add all the numbers together, and all the variables

-2x^2-1=0

a = -2; b = 0; c = -1;
Δ = b2-4ac
Δ = 02-4·(-2)·(-1)
Δ = -8
Delta is less than zero, so there is no solution for the equation

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