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3+8-4x^2-12=2
We move all terms to the left:
3+8-4x^2-12-(2)=0
We add all the numbers together, and all the variables
-4x^2-3=0
a = -4; b = 0; c = -3;
Δ = b2-4ac
Δ = 02-4·(-4)·(-3)
Δ = -48
Delta is less than zero, so there is no solution for the equation
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