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-2x^2-4x-1=2x+4
We move all terms to the left:
-2x^2-4x-1-(2x+4)=0
We get rid of parentheses
-2x^2-4x-2x-4-1=0
We add all the numbers together, and all the variables
-2x^2-6x-5=0
a = -2; b = -6; c = -5;
Δ = b2-4ac
Δ = -62-4·(-2)·(-5)
Δ = -4
Delta is less than zero, so there is no solution for the equation
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